PLABABLE MOCKS Flashcards

180 COMPLETE QUESTIONS (261 cards)

1
Q

A patient with long-standing GORD presents with progressive dysphagia to solids first, then liquids. Endoscopy shows smooth, concentric narrowing of the distal oesophagus.
➡️ What is the most likely diagnosis?

A

✅ Diagnosis: Peptic oesophageal stricture
✅ Cause: Chronic gastro-oesophageal reflux disease (GORD)
✅ Endoscopy: Smooth, concentric distal narrowing
✅ Symptom Pattern:

Solids → Liquids (progressive mechanical obstruction)
🧠 Mnemonic

“GORD → Scarring → STRICture”

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2
Q

🟦 FRONT:
Cirrhotic patient presents with hypotension, haematemesis, and melaena. Most appropriate initial management?

A

🟩 BACK:
✅ IV octreotide + urgent endoscopic band ligation
✅ Give IV antibiotics (ceftriaxone)
✅ Resuscitate with fluids + blood
✅ TIPS only if bleeding refractory
Mnemonic: “VARIX = OCT + SCOPE + ABX”

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3
Q

🔍 Key Clues from the Stem

Sudden worst-ever headache → SAH

Young (36 years)

Hypertension

Recurrent UTIs

Right-sided abdominal discomfort

Family history of early stroke

CT shows subarachnoid haemorrhage

🔎 Other Possible Clues That Could Lead to the SAME Answer

Palpable bilateral renal masses

Flank pain

Haematuria

Progressive renal failure

Berry aneurysm on angiography

Family members with kidney disease

A

Autosomal dominant mutation (PKD1/PKD2)

Progressive formation of renal cysts

Causes:

✅ Hypertension

✅ UTIs

✅ Flank/abdominal discomfort

Also causes berry aneurysms in Circle of Willis

Aneurysm rupture → subarachnoid haemorrhage

💊 Management (NICE / BNF Level)
✅ Acute SAH

Admit to neurosurgical ICU

Nimodipine to prevent vasospasm

BP control

Definitive aneurysm treatment:

Endovascular coiling or surgical clipping

✅ Long-Term ADPKD Management

Aggressive BP control (ACE inhibitors)

Renal function monitoring

Family screening

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4
Q

make the main points bold

🔍 Key Clues from the Stem

Sudden-onset palpitations

Shortness of breath + lightheadedness

Heart rate = 160 bpm

Regular, narrow-complex tachycardia

No visible P waves

Haemodynamically stable

🔎 Other Possible Clues That Could Lead to the SAME Answer

“Sudden racing heart that stops abruptly”

Young patient with no structural heart disease

“Neck pounding” (AVNRT)

Valsalva partially slows the rhythm

History of previous similar brief episodes

A

🧠 Pathophysiology

AV nodal re-entry tachycardia (AVNRT)

Re-entrant electrical circuit within AV node

Causes:

Rapid regular ventricular rate

Narrow QRS (normal ventricular conduction)

Absent visible P waves

Adenosine → transient AV node block → terminates re-entry loop

💊 Management (NICE / BNF Level)
✅ Stepwise Acute SVT Management

Vagal manoeuvres

If unsuccessful:

IV Adenosine 6 mg rapid bolus

If no effect → 12 mg IV

Continuous ECG monitoring required

✅ If unstable → synchronized DC cardioversion

A. IV beta-blockers → Used for rate control in AF/flutter

C. Oral calcium channel blockers → Not used acutely in ED

D. Electrical cardioversion → Reserved for haemodynamically UNSTABLE patients

E. IV digoxin → Chronic rate control in AF, not acute SVT termination

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5
Q

What is the first step in managing a stable patient with regular narrow-complex tachycardia at 160 bpm and absent P waves?

A

Vagal manoeuvres

If unsuccessful, proceed to IV Adenosine.

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6
Q

What medication is used to terminate AV nodal re-entry tachycardia (AVNRT)?

A

IV Adenosine

Administer 6 mg rapid bolus, followed by 12 mg if no effect.

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7
Q

True or false: Electrical cardioversion is used for stable patients with SVT.

A

FALSE

Cardioversion is reserved for haemodynamically unstable patients.

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8
Q

What are the key ECG findings in AV nodal re-entry tachycardia (AVNRT)?

A
  • Regular narrow QRS
  • Absent visible P waves

Indicates a re-entrant electrical circuit within the AV node.

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9
Q

What is the pathophysiology of AV nodal re-entry tachycardia (AVNRT)?

A

Re-entrant electrical circuit within AV node

Causes rapid regular ventricular rate and narrow QRS.

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10
Q

List the steps in acute SVT management.

A
  • Vagal manoeuvres
  • IV Adenosine 6 mg rapid bolus
  • If no effect, 12 mg IV
  • Continuous ECG monitoring

If unstable, synchronized DC cardioversion is required.

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11
Q

What is a common trap in managing true SVT?

A

Giving beta-blockers first

This is incorrect; beta-blockers are used for rate control in AF/flutter.

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12
Q

What mnemonic can help remember the management of stable SVT?

A

Regular + Narrow + No P = ADENOSINE

This highlights the key ECG features leading to the use of adenosine.

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13
Q

What is the haemodynamic status of a patient with stable SVT?

A

Haemodynamically stable

This indicates that the patient does not require immediate cardioversion.

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14
Q

What should be monitored continuously during the administration of IV Adenosine?

A

ECG monitoring

Essential to observe the patient’s response and any potential complications.

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15
Q
A
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16
Q

What are the key clues for suspected Diabetes Insipidus?

A
  • Excessive thirst
  • Polyuria
  • Drinking 8 litres/day
  • Nocturia
  • Sodium = 148 mmol/L (high-normal to raised)

Other possible clues include dry mucous membranes, low urine specific gravity, and a history of head injury or pituitary disease.

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17
Q

What is the pathophysiology of Diabetes Insipidus?

A
  • Failure of ADH
  • Central DI: ↓ ADH production
  • Nephrogenic DI: kidneys unresponsive to ADH
  • Inability to concentrate urine
  • Dilute urine → dehydration → hypernatraemia

Urine osmolality distinguishes primary polydipsia from DI.

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18
Q

What is the best next investigation for a patient suspected of having Diabetes Insipidus?

A

Urine osmolality

This test confirms diabetes insipidus vs psychogenic polydipsia.

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19
Q

What is the management for Central Diabetes Insipidus if confirmed?

A

Desmopressin

For Nephrogenic DI, treatment includes thiazide diuretics and a low-salt diet.

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20
Q

True or false: Hyperglycaemia is a key feature of Diabetes Insipidus.

A

FALSE

Diabetes Insipidus is confused with diabetes mellitus, but it does not present with hyperglycaemia.

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21
Q

What are the common traps to avoid when diagnosing Diabetes Insipidus?

A
  • Confusing with diabetes mellitus
  • Choosing CT head too early
  • Forgetting sodium points toward water loss, not sugar

These traps can lead to misdiagnosis and inappropriate management.

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22
Q

Fill in the blank: The mnemonic for remembering the signs of Diabetes Insipidus is __________.

A

THIRST + TANKING Na

This mnemonic helps recall the key features associated with Diabetes Insipidus.

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23
Q

What are the clinical clues indicating Diabetes Insipidus?

A
  • Polyuria
  • Polydipsia
  • High sodium levels

These clues help in the initial assessment of the condition.

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24
Q

What is the first-line treatment for Benign Paroxysmal Positional Vertigo (BPPV)?

A

Epley manoeuvre

The Epley manoeuvre is used to reposition dislodged otolith crystals in the posterior semicircular canal.

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25
What triggers the **vertigo episodes** in BPPV?
Head movement ## Footnote Vertigo episodes are recurrent and triggered by movements such as turning in bed.
26
How long do the **vertigo episodes** in BPPV typically last?
1–5 minutes ## Footnote Episodes are brief and can be accompanied by severe nausea and retching.
27
True or false: **Hearing loss** is a symptom of BPPV.
FALSE ## Footnote BPPV does not involve hearing loss or tinnitus.
28
What test is positive in BPPV?
Dix–Hallpike test ## Footnote This test helps confirm the diagnosis of BPPV.
29
What is the **pathophysiology** of BPPV?
Dislodged otolith crystals in posterior semicircular canal ## Footnote Head movement causes abnormal endolymph flow, leading to false motion signals and vertigo.
30
What should be avoided in the management of BPPV?
Long-term vestibular suppressants ## Footnote These should be avoided as they do not address the underlying issue.
31
What is a common **trap** in the management of BPPV?
Treating BPPV like Ménière’s ## Footnote This can lead to inappropriate treatment choices.
32
Fill in the blank: **BPPV = Bed → Position → __________ → EPLEY**.
Positional Vertigo ## Footnote This mnemonic helps remember the key aspects of BPPV.
33
What is the **duration** of vertigo in BPPV?
Seconds–minutes ## Footnote The episodes are brief, typically lasting only a few minutes.
34
What is the **management** step if symptoms persist after the Epley manoeuvre?
Repeated canalith repositioning ## Footnote This may be necessary if initial treatment does not resolve symptoms.
35
What is the diagnosis for an **elderly woman** who has a mechanical fall at home, is unable to bear weight, and has severe hip pain?
Neck of femur fracture ## Footnote Key clues include age, fall mechanism, and inability to bear weight.
36
List the **key clues** from the case that indicate a neck of femur fracture.
* 78-year-old woman * Mechanical fall at home * Unable to bear weight * Severe hip pain * X-ray shows clearly displaced proximal femoral fracture ## Footnote These clues help in identifying the fracture type.
37
True or false: A **hip dislocation** typically occurs after high-energy trauma.
TRUE ## Footnote This distinguishes it from the mechanism of injury for a neck of femur fracture.
38
What are the **other possible clues** that could lead to the diagnosis of a neck of femur fracture?
* Shortened, externally rotated leg * Groin pain after minor fall * Osteoporosis history * Pain worsened with passive movement * Inability to straight-leg raise ## Footnote These clues further support the diagnosis.
39
Why is a **pubic ramus fracture** not the correct diagnosis in this case?
Pain but often still weight-bearing ## Footnote This contrasts with the inability to bear weight seen in neck of femur fractures.
40
What is the **management** for a displaced intracapsular neck of femur fracture?
* Immediate analgesia (IV opioids + paracetamol) * IV fluids * Pressure sore prevention * Definitive surgical management: Hemiarthroplasty within 24–48 hours ## Footnote Urgent surgical intervention is crucial to prevent complications.
41
What is the **pathophysiology** behind a neck of femur fracture in the elderly?
* Elderly + osteoporosis → fragile bone * Fall → fracture through femoral neck * Disrupts blood supply → high AVN risk * Leads to immobility → ↑ pneumonia, DVT, mortality ## Footnote Understanding the pathophysiology helps in managing and preventing complications.
42
What is a common **trap** when diagnosing neck of femur fractures?
* Confusing with pubic ramus fracture * Delaying surgery unnecessarily * Missing AVN risk ## Footnote Awareness of these traps is essential for timely and effective treatment.
43
Fill in the blank: The mnemonic for remembering the signs of a neck of femur fracture is **OLD + FALL + CAN’T STAND = ______**.
NOF FRACTURE ## Footnote This mnemonic aids in recalling key indicators for diagnosis.
44
What is the diagnosis for a **young patient** with **eye pain on movement** and **reduced colour vision**? Prior transient neurological symptoms?
Optic neuritis ## Footnote Associated with MS; treat with IV methylprednisolone if severe.
45
What is the **common mnemonic** for remembering the signs of **optic neuritis**?
PAIN + PALE RED + MS = OPTIC NEURITIS ## Footnote Helps recall symptoms and associations.
46
What medication is associated with **thiazide-induced hyponatraemia** in an elderly patient with confusion and sodium level of 122 mmol/L?
Indapamide ## Footnote Causes renal sodium loss and dilutional hyponatraemia.
47
What is the **management** for thiazide-induced hyponatraemia?
* Stop indapamide * Fluid restriction * Slow sodium correction ## Footnote Severe symptoms may require hypertonic saline in HDU.
48
True or false: **Indapamide** can cause confusion and lethargy due to hyponatraemia.
TRUE ## Footnote It leads to confusion, falls, and lethargy due to sodium levels.
49
What are the **key clues** for diagnosing **optic neuritis**?
* Sudden onset blurred vision * Eye pain worse on movement * Loss of colour vision * Previous neurological weakness ## Footnote These clues suggest demyelination and possible MS association.
50
What is the **pathophysiology** of **optic neuritis**?
* Immune-mediated demyelination * Slows conduction * Visual loss + pain on eye movement ## Footnote Strongly associated with Multiple Sclerosis.
51
What are the **common traps** to avoid when diagnosing **optic neuritis**?
* Choosing retinal detachment due to vision loss * Missing eye-movement pain clue * Forgetting MS association ## Footnote Important to consider all symptoms and history.
52
What are the **symptoms** of **thiazide-induced hyponatraemia**?
* Confusion * Lethargy * Falls * Urge incontinence ## Footnote Symptoms arise from low sodium levels affecting brain function.
53
What is the **diagnosis** for a patient with AF and sudden limb pain requiring immediate surgery?
Acute embolic limb ischaemia ## Footnote The condition is characterized by acute arterial occlusion due to an embolus.
54
What should be done with **warfarin** in the case of acute limb ischaemia requiring urgent surgery?
Withhold warfarin ## Footnote Continuing warfarin increases the risk of surgical bleeding.
55
List the **symptoms** of acute arterial occlusion.
* Painful * Pale * Pulseless * Paraesthetic * Paralysed * Perishing cold ## Footnote These symptoms indicate severe limb ischaemia.
56
True or false: It is appropriate to **add DOAC** for a patient on warfarin before emergency surgery.
FALSE ## Footnote Switching to DOAC in an acute pre-op setting is inappropriate.
57
What is the **urgent management** step for acute limb ischaemia after withholding warfarin?
Urgent embolectomy ## Footnote This procedure is necessary to restore blood flow to the affected limb.
58
What is the **INR level** mentioned for the patient on warfarin?
INR 2.8 ## Footnote This level is considered therapeutic but poses a risk for surgery.
59
What is a common trap in managing patients on warfarin before emergency surgery?
Continuing warfarin into emergency surgery ## Footnote This can lead to increased bleeding risk during the procedure.
60
What is the **pathophysiology** leading to acute limb ischaemia in patients with AF?
AF → embolus → acute arterial occlusion ## Footnote Atrial fibrillation can lead to the formation of emboli that occlude arteries.
61
What should be administered after the **embolectomy** if indicated?
IV unfractionated heparin ## Footnote This may be necessary to manage anticoagulation post-procedure.
62
What are the **incorrect management options** for acute limb ischaemia?
* Add DOAC * Add clopidogrel * Continue warfarin * Switch to DOAC ## Footnote Each of these options poses risks or provides no benefit in this acute setting.
63
What is the **best investigation** for suspected Zenker’s diverticulum?
Barium swallow ## Footnote Confirms Zenker’s diverticulum and is the gold standard for diagnosis.
64
True or false: **OGD** is the best investigation for Zenker’s diverticulum.
FALSE ## Footnote OGD risks perforation and can miss Zenker’s diverticulum.
65
What are the **key clues** for diagnosing Zenker’s diverticulum?
* Regurgitation of undigested food * Halitosis * Nocturnal cough * Gurgling sound on swallowing ## Footnote These symptoms are classic indicators of Zenker’s diverticulum.
66
What is the **pathophysiology** of Zenker’s diverticulum?
False diverticulum due to cricopharyngeal muscle dysfunction ## Footnote This leads to outpouching above the upper oesophageal sphincter, causing food to get trapped.
67
What is the **management** for symptomatic patients with Zenker’s diverticulum?
* Endoscopic stapling * Open diverticulectomy * Aspiration precautions while awaiting surgery ## Footnote These treatments are recommended for symptomatic relief.
68
Fill in the blank: The best investigation for suspected Zenker’s diverticulum is _______.
barium swallow ## Footnote This is the gold standard for diagnosis.
69
What mnemonic can help remember the symptoms of Zenker’s diverticulum?
HALITOSIS + REGURG = ZENKER ## Footnote This mnemonic highlights the key symptoms associated with the condition.
70
What are the **common traps** when diagnosing Zenker’s diverticulum?
* Choosing OGD instead of barium swallow * Assuming this is reflux or cancer * Missing halitosis + regurgitation as Zenker’s red flags ## Footnote These misconceptions can lead to misdiagnosis.
71
What is the **diagnosis** for a patient with widespread pain, normal exam, normal blood tests, and repeated healthcare visits?
Somatoform disorder ## Footnote This condition features real symptoms without an organic disease.
72
What are the **features** of Somatoform disorder?
* Real pain * No organic disease ## Footnote Symptoms manifest as physical but lack a structural cause.
73
What is the **first line management** for Somatoform disorder?
* Reassurance * Structured follow-up with one GP * CBT ## Footnote Avoid excessive investigations and provide continuity of care.
74
Fill in the blank: **SOMA** stands for Symptoms without _______.
Objects (disease) ## Footnote This mnemonic helps remember the essence of Somatoform disorder.
75
What are the **common traps** in diagnosing Somatoform disorder?
* Confusing with fibromyalgia * Ordering endless scans * Labeling as 'imaginary' ## Footnote Symptoms are real and should not be dismissed.
76
What is the **most likely diagnosis** for bilateral painful parotid swelling in an 18-year-old with fever and pain on chewing?
Mumps ## Footnote Viral paramyxovirus causes bilateral parotitis with supportive treatment. Complications include orchitis, meningitis, and pancreatitis.
77
What imaging is required for **cauda equina syndrome**?
MRI lumbar spine ## Footnote Urgent MRI is needed to assess for nerve root compression due to conditions like disc prolapse.
78
True or false: **Mumps** can cause orchitis in post-pubertal males.
TRUE ## Footnote Orchitis is a known complication of mumps, particularly in males after puberty.
79
What are the **common complications** of mumps?
* Orchitis * Meningitis * Pancreatitis ## Footnote These complications can arise from the viral infection affecting various organs.
80
Fill in the blank: The **incubation period** for mumps is approximately _______.
2–3 weeks ## Footnote This is the time it takes for symptoms to appear after exposure to the virus.
81
What are the **key symptoms** of cauda equina syndrome?
* Faecal incontinence * Urinary retention * Bilateral weakness * Saddle anaesthesia * Hyporeflexia ## Footnote These symptoms indicate significant nerve root compression and require urgent intervention.
82
What is the **urgent management** for cauda equina syndrome?
* Urgent MRI * Urgent neurosurgical decompression * Catheterisation for retention ## Footnote Timely intervention is crucial to preserve function and prevent permanent damage.
83
What is the **pathophysiology** of mumps?
Paramyxovirus infection → replicates in salivary gland ducts ## Footnote This leads to inflammation and obstruction, causing painful bilateral parotid swelling.
84
What is the **main reason** for not moving a victim suspected of having a spinal injury?
Risk of spinal cord laceration ## Footnote Moving the victim could exacerbate injuries and lead to permanent paralyzation.
85
True or false: **Bacterial parotitis** typically presents with bilateral swelling.
FALSE ## Footnote Bacterial parotitis usually presents unilaterally with severe pain and purulent discharge.
86
What is the **incubation period** for mumps?
2–3 weeks ## Footnote This is the time frame from exposure to the onset of symptoms.
87
What serological marker indicates **immunity after hepatitis B vaccination**?
Hepatitis B surface antibody (anti-HBs) ## Footnote This marker confirms immunity following vaccination, as no natural infection occurred.
88
True or false: **Anti-HBc** is a marker of immunity after vaccination.
FALSE ## Footnote Anti-HBc indicates previous infection and is never positive after vaccination.
89
What is the **correct management** if anti-HBs titre is low?
Offer booster dose according to UK guidelines ## Footnote Especially important for healthcare workers.
90
What type of carcinoma is indicated by a **pearly, translucent nodule** with rolled edges?
Basal Cell Carcinoma (BCC) ## Footnote Classic presentation includes slow growth and no itching or pain.
91
List two **key characteristics** of Basal Cell Carcinoma (BCC).
* Slowly growing lesion * Pearly, translucent nodule with rolled edges ## Footnote Often found in sun-exposed areas and may have telangiectasia.
92
What is the **first-line management** for Basal Cell Carcinoma (BCC)?
Excision with clear margins ## Footnote Alternatives include Mohs micrographic surgery for high-risk areas.
93
Fill in the blank: Chronic **UV exposure** leads to DNA damage and mutations in the _______ gene, resulting in BCC.
PTCH1 ## Footnote This gene is a tumor-suppressor gene involved in the development of BCC.
94
True or false: **Cherry angiomas** can be confused with Basal Cell Carcinoma due to their appearance.
FALSE ## Footnote Cherry angiomas are small red papules and do not have the pearly appearance of BCC.
95
What is a common misconception about **non-pigmented lesions**?
They cannot be cancer ## Footnote Non-pigmented lesions can still be malignant, such as BCC.
96
What is the **pathophysiology** of Basal Cell Carcinoma?
Chronic UV exposure leads to DNA damage and mutations in PTCH1 gene ## Footnote This results in uncontrolled basal cell proliferation.
97
What is the **first-line antibiotic** for a penicillin-allergic woman with **community-acquired pneumonia (CAP)**?
Azithromycin ## Footnote Azithromycin is preferred for patients with penicillin allergy according to primary care guidelines.
98
What are the **key symptoms** indicating pneumonia in the case presented?
* Productive cough * Fever * Shortness of breath * Crackles * Bronchial breathing in right lower zone ## Footnote These symptoms suggest consolidation in the lungs.
99
True or false: A **history of asthma** changes the antibiotic choice for a patient with pneumonia.
FALSE ## Footnote The antibiotic choice remains the same regardless of asthma history.
100
What is the **most common organism** associated with mild community-acquired pneumonia?
Streptococcus pneumoniae ## Footnote This bacterium is the most frequently identified pathogen in mild CAP cases.
101
List the **common organisms** in mild CAP.
* Strep pneumoniae * H. influenzae * Mycoplasma pneumoniae ## Footnote These organisms are typically responsible for mild cases of community-acquired pneumonia.
102
What is the **CURB-65 score** for mild pneumonia in the case presented?
0 ## Footnote A CURB-65 score of 0 indicates mild severity and supports outpatient management.
103
Fill in the blank: If a patient is allergic to penicillin, the first-line treatment for mild CAP is _______.
azithromycin ## Footnote Azithromycin is recommended for patients with a penicillin allergy.
104
Why is **co-amoxiclav** contraindicated for the patient in this case?
It is penicillin-based ## Footnote Patients with a penicillin allergy should avoid all penicillin-based antibiotics.
105
What are the **safety netting** measures for patients with mild CAP?
* Worsening breathlessness * Fever lasting >48 hours * Confusion * Chest pain ## Footnote These measures help identify patients who may need further medical attention.
106
What should be avoided in the treatment of pneumonia unless it is severe or atypicals are resistant?
Fluoroquinolones ## Footnote Fluoroquinolones have significant side effects and are not first-line treatments for mild CAP.
107
What is the **pathophysiology** of community-acquired pneumonia?
Bacterial infection causing inflammation of lung parenchyma leading to consolidation ## Footnote This results in crackles and bronchial breathing sounds.
108
What is the **risk** associated with choosing **clarithromycin** over azithromycin for patients with asthma?
Can prolong QT and interact ## Footnote Azithromycin is preferred to avoid these risks.
109
What is the **significance** of a urticarial rash in relation to penicillin allergy?
Counts as a penicillin allergy ## Footnote Patients with urticarial rash should avoid penicillin-based antibiotics.
110
What is the **correct answer** for the chronic alcohol use leading to severe anterograde amnesia and confabulation?
E – Korsakoff’s syndrome ## Footnote Key clues include chronic alcohol use, severe anterograde amnesia, and confabulation.
111
What are the **key signs** of Korsakoff’s syndrome?
* Chronic alcohol use * Severe anterograde amnesia * Confabulation * Other cognition intact early * Signs of chronic liver disease * Anosognosia ## Footnote These signs indicate a long-standing memory disorder following Wernicke’s encephalopathy.
112
What is the **pathophysiology** of Korsakoff’s syndrome?
* Chronic alcohol use * Thiamine deficiency * Damage to mammillary bodies * Damage to thalamus * Damage to limbic system ## Footnote This leads to Korsakoff’s syndrome, a chronic amnestic disorder.
113
What is the **management** for Korsakoff’s syndrome?
* High-dose IV thiamine (Pabrinex) * Abstinence from alcohol * Nutritional support * Long-term cognitive therapy ## Footnote Korsakoff’s syndrome is often only partially reversible.
114
True or false: **Wernicke’s encephalopathy** is a chronic memory disorder.
FALSE ## Footnote Wernicke’s encephalopathy is characterized by an acute triad: confusion, ataxia, and ophthalmoplegia.
115
What distinguishes **Korsakoff’s syndrome** from **Alzheimer’s disease**?
* Korsakoff’s: selective memory dysfunction * Alzheimer’s: progressive global cognitive decline ## Footnote Confabulation is much more characteristic of Korsakoff’s syndrome.
116
What are the **common traps** in diagnosing Korsakoff’s syndrome?
* Confusing Wernicke’s (acute) vs Korsakoff’s (chronic) * Thinking confabulation = Alzheimer’s * Assuming alcoholic dementia = global impairment ## Footnote Korsakoff’s syndrome is characterized by selective memory loss.
117
Fill in the blank: **Chronic alcohol use + amnesia + confabulation = _______.**
Korsakoff’s syndrome ## Footnote This condition is associated with thiamine deficiency.
118
What mnemonic can help remember the differences between **Wernicke’s** and **Korsakoff’s**?
WERnicke is WAR → acute chaos; Korsakoff is ‘KONstructed stories’ → confabulation ## Footnote This mnemonic highlights the acute vs chronic nature of the conditions.
119
What causes **thiamine deficiency** in chronic alcohol use?
* Malnutrition * Malabsorption * Impaired hepatic activation ## Footnote Thiamine deficiency is a significant consequence of chronic alcohol consumption.
120
Which enzymes are disabled by **thiamine deficiency**?
* Pyruvate dehydrogenase * α-ketoglutarate dehydrogenase * Transketolase ## Footnote The inhibition of these enzymes leads to metabolic disturbances.
121
What are the consequences of thiamine deficiency on cerebral metabolism?
* Cerebral ATP failure * Lactate accumulation * Oxidative stress * Blood–brain barrier breakdown ## Footnote These consequences contribute to neurological damage.
122
What type of brain injury is caused by acute thiamine deficiency?
Wernicke’s encephalopathy ## Footnote This condition can lead to severe neurological symptoms if untreated.
123
What evolves from untreated Wernicke’s encephalopathy?
Korsakoff amnestic syndrome ## Footnote This syndrome is characterized by profound anterograde amnesia and confabulation.
124
What are the key features of **Korsakoff amnestic syndrome**?
* Profound anterograde amnesia * Confabulation ## Footnote Korsakoff syndrome results from untreated Wernicke’s encephalopathy.
125
What areas of the brain are affected by **symmetrical hemorrhagic necrosis** due to thiamine deficiency?
* Mammillary bodies * Medial thalamus * Limbic structures ## Footnote Damage to these areas is associated with memory and emotional processing.
126
Positional inspiratory stridor in a thriving neonate is caused by {{c1::______}} affecting the {{c2::______}}.
laryngomalacia ## Footnote Stridor that worsens supine and improves upright is classic for laryngomalacia.
127
What is the **first-line antihypertensive** for a 58-year-old African-Caribbean man with persistent hypertension?
Amlodipine ## Footnote Ethnicity drives drug choice; calcium channel blockers are preferred for Black patients.
128
True or false: **Beta-blockers** are considered first-line treatment for hypertension in African-Caribbean patients.
FALSE ## Footnote Beta-blockers are not first-line; calcium channel blockers are preferred.
129
In the management of hypertension, what is the preferred treatment for patients aged **≥55** or of **Black ethnicity**?
Calcium channel blocker (Amlodipine) ## Footnote This is part of NICE Hypertension Step 1 guidelines.
130
What condition is characterized by **immature, soft supraglottic cartilage** collapsing inward during inspiration?
Laryngomalacia ## Footnote This condition leads to narrowing of the airway and positional stridor.
131
Fill in the blank: **Stridor** that worsens when lying flat and improves when upright is classic for _______.
laryngomalacia ## Footnote This condition typically resolves spontaneously by 18–24 months.
132
What are the **indications for referral** to ENT in cases of laryngomalacia?
* Poor feeding * Failure to thrive * Apnoea or cyanosis * Severe cases ## Footnote Severe cases may require supraglottoplasty.
133
What common mistake involves confusing **tracheomalacia** with laryngomalacia?
Confusing expiratory stridor with inspiratory stridor ## Footnote Tracheomalacia causes expiratory stridor, while laryngomalacia causes inspiratory stridor.
134
What mnemonic can help remember that **Black patients** should start with a calcium channel blocker for hypertension?
'BLACK → BLOCK the calcium!' ## Footnote This emphasizes that Black patients should receive calcium channel blockers first-line.
135
Live head lice infestation is first-line treated with {{c1::______}}.
permethrin 5% ## Footnote White oval eggs stuck to hair shafts are called nits.
136
The classic triad of **Haemolytic uraemic syndrome (HUS)** includes ______, ______, and ______.
* Bloody diarrhoea * Thrombocytopenia * Acute kidney injury ## Footnote This condition often follows an infection with E. coli O157.
137
True or false: **Antibiotics** should be given to a child with HUS.
FALSE ## Footnote Antibiotics can worsen the condition.
138
What are the **key symptoms** of HUS in a child?
* Bloody diarrhoea * Abdominal pain * Vomiting * Low haemoglobin * Thrombocytopenia * Raised urea and creatinine ## Footnote These symptoms indicate a classic presentation of HUS.
139
In the management of HUS, what is the primary treatment approach?
Supportive care ## Footnote This includes IV fluids and electrolyte monitoring, with dialysis if severe renal failure occurs.
140
What is the **pathophysiology** of HUS?
Shiga toxin from E. coli O157 causes endothelial damage leading to microangiopathic haemolytic anaemia, thrombocytopenia, and acute kidney injury ## Footnote This sequence of events is critical in understanding HUS.
141
What is a common mistake when treating HUS?
Giving antibiotics ## Footnote This can exacerbate the condition and lead to worse outcomes.
142
The mnemonic for remembering HUS is **HUS = Hamburger → Urea ↑ → Small platelets**. What does this represent?
HUS is associated with undercooked meat leading to increased urea and low platelet count ## Footnote This helps in recalling the condition's association with E. coli O157.
143
The **smoking cessation drug** contraindicated in epilepsy is __________.
bupropion ## Footnote Best alternative after NRT failure is varenicline.
144
In a patient with hair thinning and microcytic anaemia, the most likely diagnosis is __________.
iron deficiency anaemia ## Footnote Confirmed by low ferritin and low Hb.
145
The **first-line options** for smoking cessation include __________.
* Nicotine Replacement Therapy (NRT) * Varenicline ## Footnote If NRT fails and epilepsy is present, varenicline is the safest effective next step.
146
True or false: Varenicline is contraindicated in patients with a history of seizures.
FALSE ## Footnote Varenicline is safe for smoking cessation in patients with epilepsy.
147
The **most common side effect** of varenicline is __________.
nausea ## Footnote Monitoring for mood changes and sleep disturbances is also important.
148
In the context of iron deficiency anaemia, low ferritin indicates __________.
iron deficiency ## Footnote It is the most sensitive early marker for iron deficiency.
149
The **pathophysiology** of iron deficiency leads to __________.
* Microcytic, hypochromic RBCs * Reduced oxygen delivery ## Footnote This results in symptoms like fatigue and hair thinning.
150
What are the **key symptoms** of ADHD in children? List at least three.
* Unable to sit still * Poor concentration * Impulsivity ## Footnote Symptoms must be present at school and home for diagnosis.
151
The **first-line drug** for moderate–severe ADHD is __________.
methylphenidate ## Footnote It is important to monitor BP, heart rate, weight, and growth.
152
The **pathophysiology** of ADHD involves dysregulation of __________.
* dopamine * noradrenaline ## Footnote This affects impulse control and attention regulation.
153
What is the **correct answer** for the condition described as diplopia and inability to abduct the eye?
E – Cranial nerve VI palsy (Abducens nerve palsy) ## Footnote This condition is characterized by double vision and inability to move the eye laterally.
154
What type of **diplopia** is indicated by two identical images side-by-side?
Horizontal diplopia ## Footnote This occurs when the lateral rectus muscle is affected.
155
What muscle is responsible for **abduction** of the eye?
Lateral rectus muscle ## Footnote Innervated by cranial nerve VI (Abducens nerve).
156
What are the **key clues** indicating CN VI palsy?
* Double vision (diplopia) * Unable to abduct the left eye past midline * Worse diplopia when looking toward affected side ## Footnote These clues help differentiate CN VI palsy from other cranial nerve palsies.
157
What are some **common causes** of CN VI palsy?
* Diabetes * Hypertension * Raised intracranial pressure (ICP) ## Footnote CN VI palsy is commonly affected in cases of raised ICP due to its long intracranial course.
158
True or false: A **CN II palsy** causes diplopia.
FALSE ## Footnote CN II palsy causes vision loss, not diplopia.
159
What are the **characteristics** of a CN III palsy?
* 'Down and out' eye * Ptosis * Dilated pupil ## Footnote These symptoms are distinct from CN VI palsy.
160
What type of diplopia is associated with **CN IV palsy**?
Vertical diplopia ## Footnote This type of diplopia is worse on stairs.
161
What is the **management** for CN VI palsy due to raised ICP?
* Identify and treat underlying cause * Urgent neuroimaging ## Footnote Management may also include temporary measures like an eye patch or prisms for diplopia.
162
What is a common **trap** when diagnosing CN VI palsy?
Confusing CN VI (horizontal diplopia) with CN IV (vertical diplopia) ## Footnote It's important to remember that raised ICP commonly causes CN VI palsy first.
163
What is the mnemonic for remembering the function of CN VI?
Six lets your eye go to the SIDE ## Footnote This helps recall that CN VI is responsible for lateral eye movement.
164
What is the **first-line treatment** of hyperthyroidism in the **1st trimester**?
Propylthiouracil (PTU) ## Footnote Carbimazole is avoided early due to aplasia cutis.
165
True or false: **Carbimazole** is safe to use in the **1st trimester** of pregnancy.
FALSE ## Footnote Carbimazole is associated with fetal scalp defects (aplasia cutis) in the 1st trimester.
166
What is the **most common cause** of hyperthyroidism in early pregnancy?
Graves disease ## Footnote hCG crosses the placenta and stimulates TSH receptors.
167
List the **risks** associated with excess T3/T4 in maternal health during pregnancy.
* Miscarriage * Pre-eclampsia ## Footnote Excessive thyroid hormones can lead to serious complications for the mother.
168
What is the **gold-standard investigation** for assessing fragility fracture risk in postmenopausal women?
DEXA scan ## Footnote A T-score ≤ –2.5 confirms osteoporosis.
169
Fill in the blank: A **T-score** of ≤ _______ indicates osteoporosis.
-2.5 ## Footnote This measurement is obtained through a DEXA scan.
170
What are the **common traps** in managing hyperthyroidism during pregnancy?
* Giving carbimazole in 1st trimester * Choosing radioiodine * Reassuring despite elevated free T3/T4 ## Footnote These mistakes can lead to serious complications for both mother and fetus.
171
What are the **key factors** in assessing fragility fracture risk?
* Age (67 years) * Postmenopausal status * Low-impact fractures * Long-term corticosteroid use * Low BMI ## Footnote These factors significantly increase the risk of secondary osteoporosis.
172
What is the **pathophysiology** behind post-menopausal osteoporosis?
* Estrogen loss increases osteoclast activity * Steroids decrease osteoblast function and calcium absorption ## Footnote This results in decreased bone mineral density and increased fragility fractures.
173
What should be avoided in the management of hyperthyroidism during pregnancy?
* Block-and-replace regimens * Radioiodine at all stages ## Footnote These approaches can pose significant risks to the developing fetus.
174
What is the **first-line treatment** for **Prinzmetal (vasospastic) angina**?
Calcium channel blockers (diltiazem, verapamil, or long-acting nifedipine). Avoid beta-blockers. ## Footnote Management includes nitrates for acute relief and smoking cessation.
175
What are the **key clues** from the stem indicating Prinzmetal angina?
* Recurrent rest pain, especially at night * Transient ST-elevation during pain * Normal ECG when asymptomatic * Normal troponin * Pain resolves spontaneously * Occurs both at rest and exertion ## Footnote Often triggered by cold, stress, cocaine, or hyperventilation.
176
True or false: **Beta-blockers** are recommended for the treatment of Prinzmetal angina.
FALSE ## Footnote Beta-blockers can worsen vasospasm due to unopposed alpha activity.
177
What is the **pathophysiology** of Prinzmetal angina?
Transient coronary artery smooth muscle spasm → temporary myocardial ischemia. ## Footnote Causes ST-elevation but no myocyte necrosis, thus troponins remain normal.
178
What are the **common traps** associated with Prinzmetal angina?
* ST-elevation does NOT always indicate MI * Normal troponin differentiates from MI * Beta blockers worsen vasospasm ## Footnote Prinzmetal angina causes transient ST elevation.
179
What is the **key symptom** of a **Pancoast tumour**?
Progressive shoulder + arm pain ## Footnote Ulnar nerve distribution involvement and Horner’s syndrome are also key indicators.
180
What are the **key clues** from the stem indicating a Pancoast tumour?
* Heavy smoker * Ulnar nerve distribution (C8–T1 involvement) * Ptosis + miosis + anhidrosis → Horner’s syndrome * Weak hand muscles * CXR shows apical mass ## Footnote Symptoms may worsen at night and may include weight loss.
181
What is the **management** for a Pancoast tumour?
* CT chest and MRI apex for staging * Biopsy (CT-guided) * Treatment = combined radiotherapy + chemotherapy * Possible surgical resection in selected cases ## Footnote Most Pancoast tumours are non-small cell lung cancer, typically squamous cell.
182
True or false: **Thoracic outlet syndrome** causes Horner’s syndrome.
FALSE ## Footnote Thoracic outlet syndrome does not cause Horner’s syndrome, which is a key differentiator.
183
What does the mnemonic **'SPASM'** stand for in relation to Prinzmetal angina?
* S – ST elevation transient * P – Pain at rest, esp. night * A – Avoid beta-blockers * S – Smoking associated * M – Managed with calcium channel blockers ## Footnote This mnemonic helps remember the key features of Prinzmetal angina.
184
What does the mnemonic **'PANCOAST'** represent?
* P – Pain * A – Anhidrosis (Horner’s syndrome) * N – Nerve (ulnar nerve symptoms) * C – Cancer (lung cancer) * O – Onset (progressive) * A – Apical mass on CXR * S – Smoking history * T – Treatment (radiotherapy + chemotherapy) ## Footnote This mnemonic aids in recalling the characteristics of a Pancoast tumour.
185
What is the **correct next step** for a patient with severe pneumonia, confusion, SpO₂ 87%, and BP 88/59?
Admit into a medical ward ## Footnote This is severe community-acquired pneumonia with sepsis and delirium.
186
List the **key clues** from the stem indicating severe pneumonia.
* Fever 39.7°C * Productive cough + pleuritic chest pain * RR 33, SpO₂ 87%, BP 88/59 * Confused and agitated * Crackles on auscultation * Threatening statement about arson * Hypotension + hypoxia + tachycardia ## Footnote These clues suggest a serious medical condition requiring immediate attention.
187
What does a **CURB-65 score** of ≥ 2 indicate?
Severe pneumonia ## Footnote It is a clinical prediction rule used to assess the severity of pneumonia.
188
Fill in the blank: **Pneumonia** leads to _______ due to alveoli filled with inflammatory exudate.
impaired gas exchange ## Footnote This impairment results in hypoxia and subsequent confusion.
189
What is the **management** protocol for severe pneumonia with sepsis?
* Immediate hospital admission * A–E assessment * High-flow oxygen * IV antibiotics within 1 hour * IV fluids for shock * Blood cultures, ABG, lactate * Consider ICU if not improving ## Footnote These steps are critical for managing severe pneumonia effectively.
190
True or false: **Hypoxic delirium** can be mistaken for primary psychiatric illness.
TRUE ## Footnote It is important to treat the medical cause before addressing psychiatric symptoms.
191
What is the **correct next step** for a diabetic patient with a QRISK of 15% and no prior cardiovascular disease?
Start atorvastatin 20 mg daily ## Footnote This is primary prevention in diabetes with QRISK > 10%.
192
List the **indications** for starting a statin in a diabetic patient.
* Smoker with diabetes * Total cholesterol > 5 * Family history of early MI * Metabolic syndrome ## Footnote These factors increase cardiovascular risk and justify statin therapy.
193
Fill in the blank: **Diabetes** leads to _______ dysfunction and increased risk of MI and stroke.
endothelial ## Footnote This dysfunction accelerates atherosclerosis.
194
What is the **common trap** in managing diabetes and cardiovascular risk?
Treating BP before lipid risk ## Footnote Statins should be prioritized in patients with diabetes and elevated cardiovascular risk.
195
What mnemonic can help remember the management steps for a patient with diabetes and QRISK ≥ 10%?
DIABETES + 10% = STATIN AGAIN ## Footnote This highlights the importance of starting statin therapy in these patients.
196
What is the most likely diagnosis for a **painful penile ulcer** with a red inflamed base and burning sensation?
Herpes simplex virus infection ## Footnote Key clues include a single shallow ulcer, mild dysuria, and the ulcer appearing 3 days ago.
197
List the **key clues** from the stem for the painful penile ulcer.
* Painful genital ulcer * Burning sensation * Single shallow ulcer * Red inflamed base * Appeared 3 days ago * Mild dysuria * No induration * No purulent discharge ## Footnote These clues help in diagnosing the condition.
198
What are the **common traps** when diagnosing a painful penile ulcer?
* Assuming syphilis because of ulcer * Confusing chancroid with HSV * Thinking single ulcer excludes HSV ## Footnote Syphilis is classically painless, and early HSV lesions can be single.
199
What is the **first line management** for herpes simplex virus infection?
Oral Aciclovir ## Footnote Management includes partner notification and counseling on recurrence.
200
What does the mnemonic **HURT = HERPES** stand for?
* H – Hurts * E – Erythema * R – Recurrent * P – Prodrome * E – Epithelial ulcer * S – Sexually transmitted ## Footnote This mnemonic helps remember key features of herpes simplex virus infection.
201
What is the most likely diagnosis for **chronic steroid use** with progressive weight-bearing hip pain?
Avascular necrosis of the femoral head ## Footnote Key clues include long-term oral prednisolone use and improvement of pain with rest.
202
List the **key clues** from the stem for avascular necrosis of the femoral head.
* Long-term oral prednisolone (18 months) * Progressive hip pain * Worse with weight-bearing * Improves with rest * Reduced range of motion * No trauma history ## Footnote These clues indicate the likelihood of avascular necrosis.
203
What are the **common traps** when diagnosing avascular necrosis?
* Confusing with osteoarthritis due to age * Missing steroid risk factor * Thinking improvement with rest excludes serious disease ## Footnote Improvement with rest does not rule out serious conditions.
204
What is the **diagnostic gold standard** for avascular necrosis?
MRI ## Footnote MRI is essential for confirming the diagnosis.
205
What does the mnemonic **STEROIDS KILL THE HIP** stand for?
* S – Steroids * T – Trauma absent * H – Hip pain * I – Ischemia * P – Prosthetic joint eventually needed ## Footnote This mnemonic helps remember key aspects of avascular necrosis related to steroid use.
206
What is the **next step** in management for a patient with **fall + flank bruising + visible haematuria**?
CT abdomen & pelvis with contrast ## Footnote This is the **gold standard** for assessing renal or retroperitoneal injury.
207
What does **macroscopic haematuria** suggest in the context of trauma?
Renal or retroperitoneal injury ## Footnote It indicates potential bleeding into the collecting system due to blunt trauma.
208
List the **common traps** in trauma management regarding imaging.
* Ordering ultrasound first in trauma * Choosing IVP (obsolete) * Assuming haematuria always comes from bladder ## Footnote These misconceptions can lead to inappropriate management decisions.
209
What is the **pathophysiology** of macroscopic haematuria following blunt trauma?
* Renal parenchymal or vascular injury * Bleeding into collecting system * Resulting in macroscopic haematuria ## Footnote This sequence is critical for understanding the injury mechanism.
210
What is the **correct diagnosis** for a 65-year-old vegan with **macrocytic anaemia + neuropathy + anti-intrinsic factor positive**?
Autoimmune destruction of gastric parietal cells ## Footnote This condition is known as **pernicious anaemia**.
211
What are the **key clues** indicating pernicious anaemia?
* Fatigue * Paraesthesia * Difficulty walking * Sore tongue * Macrocytic anaemia (MCV 110) * Very low B12 * Anti-intrinsic factor antibodies positive ## Footnote These symptoms and lab findings are characteristic of the disease.
212
Why is **dietary deficiency** not the cause of macrocytic anaemia in this patient?
Would not have anti-IF antibodies ## Footnote The presence of anti-intrinsic factor antibodies indicates an autoimmune process rather than a simple dietary issue.
213
What is the **management** for pernicious anaemia?
* Lifelong IM hydroxocobalamin * 1 mg IM every 3 months (maintenance) * Treat before folate * Screen for autoimmune conditions ## Footnote Proper management is crucial to prevent neurological complications.
214
What is the **mnemonic** for remembering the management of pernicious anaemia?
IF IS GONE → B12 IS DONE ## Footnote This helps recall the importance of intrinsic factor in vitamin B12 absorption.
215
What is the **correct answer** for lateral elbow pain when gripping or lifting?
B. Tennis elbow (Lateral epicondylitis) ## Footnote Key clues include pain over the lateral epicondyle and pain worse with gripping/lifting tools.
216
What age and profession is associated with the **key clues** for tennis elbow?
42-year-old carpenter ## Footnote This demographic often experiences repetitive gripping/forearm strain.
217
What are the **pathognomonic** signs for lateral epicondylitis?
* Pain over lateral epicondyle * Pain worse with gripping/lifting tools * Pain reproduced with resisted wrist extension ## Footnote These signs are indicative of lateral epicondylitis.
218
List some **other clues** that could appear in different stems for tennis elbow.
* Pain when shaking hands * Pain holding a coffee cup * Pain when lifting a kettle * Tenderness over extensor carpi radialis brevis insertion * Grip weakness ## Footnote These symptoms can help differentiate tennis elbow from other conditions.
219
Why is **Golfer’s elbow** not the correct diagnosis?
Pain at medial epicondyle ## Footnote Golfer's elbow is characterized by pain on the inner side of the elbow, unlike tennis elbow.
220
What is the distinguishing feature of **Olecranon bursitis**?
Swelling at posterior elbow ## Footnote This condition does not present with lateral pain.
221
What symptoms are associated with **Radial nerve entrapment**?
Causes sensory changes + weakness ## Footnote It does not typically cause isolated lateral epicondyle tenderness.
222
What type of pain is associated with an **Ulnar collateral ligament injury**?
Medial elbow pain; valgus stress pain ## Footnote This injury is common in throwing athletes.
223
What is the **pathophysiology** of tennis elbow?
Overuse of wrist extensors → microtears of extensor carpi radialis brevis tendon at lateral epicondyle ## Footnote Repetitive strain leads to tendinopathy, not inflammation.
224
What are the **management** strategies for tennis elbow?
* Activity modification – reduce gripping/lifting * Topical or oral NSAIDs * Physiotherapy – eccentric strengthening exercises * Counterforce brace * Steroid injection only if persistent * Surgery rarely needed ## Footnote These strategies are recommended by NICE / BNF.
225
What is a **common trap** when diagnosing tennis elbow?
Confusing with golfer’s elbow (medial) ## Footnote This misdiagnosis can lead to inappropriate treatment.
226
What should not be assumed about a patient who is a **manual worker**?
Assuming nerve entrapment ## Footnote This assumption can lead to misdiagnosis.
227
Is **ordering imaging** necessary for tennis elbow?
Rarely needed ## Footnote Imaging is not typically required for diagnosis.
228
What is the **mnemonic** for remembering tennis elbow?
Tennis = racquet backhand → wrist extension strain → lateral pain ## Footnote This mnemonic helps recall the mechanism of injury.
229
What is the **flashcard** for tennis elbow?
Pain at lateral epicondyle + worse with resisted wrist extension ## Footnote This summarizes the key symptoms of tennis elbow.
230
What is the **diagnostic test** for a low-pitched diastolic murmur at the apex with a history of rheumatic fever?
Echocardiogram ## Footnote This test is crucial for diagnosing **mitral stenosis**, characterized by a low-pitched rumbling diastolic murmur.
231
What are the **key clues** from the stem indicating mitral stenosis?
* 68-year-old woman * Breathlessness on exertion * Fatigue * Recurrent palpitations * Persistent cough worse at night * Low-pitched rumbling diastolic murmur at the apex ## Footnote These symptoms suggest pulmonary congestion due to mitral stenosis.
232
True or false: A **chest X-ray** is diagnostic for mitral stenosis.
FALSE ## Footnote A chest X-ray may show changes but is not diagnostic for mitral stenosis.
233
What is the **pathophysiology** of mitral stenosis?
* Rheumatic fever causes scarring and fusion of mitral valve leaflets * Narrowed valve increases left atrial pressure * Leads to pulmonary congestion and dyspnea * Atrial fibrillation develops due to left atrial dilation ## Footnote Understanding the pathophysiology helps in managing the condition effectively.
234
What are the **management options** for mitral stenosis?
* Echocardiogram for diagnosis * Rate control in AF: beta-blockers or rate-limiting CCB * Anticoagulate if AF * Consider percutaneous balloon valvotomy if symptomatic * Surgery for severe cases ## Footnote Management strategies depend on the severity and symptoms of mitral stenosis.
235
What are the **common traps** in diagnosing mitral stenosis?
* Confusing diastolic murmur with aortic regurgitation * Assuming palpitations indicate arrhythmia without confirming valve disease * Ordering chest X-ray before echocardiogram ## Footnote Awareness of these traps can prevent misdiagnosis.
236
What is the **diagnosis** for a 55-year-old man with acute symptoms, pancytopenia, elevated WCC, and blast cells?
Acute Myeloid Leukemia (AML) ## Footnote This diagnosis is supported by the presence of blast cells and acute presentation.
237
What are the **key clues** indicating Acute Myeloid Leukemia (AML)?
* 55-year-old man * 2-week history of fatigue, fever, easy bruising * Pale with multiple bruises * Nosebleeds * High WCC with blast cells present ## Footnote These symptoms are classic for AML, indicating rapid clonal expansion of immature myeloid blasts.
238
What is the **pathophysiology** of Acute Myeloid Leukemia (AML)?
* Rapid clonal expansion of immature myeloid blasts * Bone marrow failure leads to anemia, neutropenia, thrombocytopenia * Circulating blasts replace normal cells ## Footnote Understanding the pathophysiology is essential for effective treatment.
239
What are the **management steps** for Acute Myeloid Leukemia (AML)?
* Immediate hematology referral * Confirm with bone marrow biopsy * Induction chemotherapy: Cytarabine + anthracycline * Consolidation therapy * Stem cell transplant in eligible patients ## Footnote Supportive care includes platelet transfusions and aggressive treatment of infections.
240
True or false: **Aplastic anemia** can be mistaken for acute leukemia.
TRUE ## Footnote The presence of blasts differentiates acute leukemia from aplastic anemia.
241
What is the **classic triad** of Multiple Myeloma?
* Hypercalcaemia * Renal impairment * Anaemia ## Footnote This triad is often referred to as CRAB.
242
What does a **bone marrow biopsy** finding of excess plasma cells indicate?
Multiple Myeloma ## Footnote A diagnosis is confirmed when plasma cells exceed 10%.
243
True or false: **Hypercalcaemia** is a symptom of Multiple Myeloma.
TRUE ## Footnote Hypercalcaemia occurs due to cytokines stimulating osteoclasts.
244
What are the **common management** strategies for Multiple Myeloma?
* Chemotherapy: Bortezomib + lenalidomide + dexamethasone * Bisphosphonates for bone disease * Hydration + steroids for hypercalcaemia * Consider autologous stem cell transplant ## Footnote Management follows NICE/BNF guidelines.
245
What is the **pathophysiology** of ACE-Inhibitor Angio-oedema?
ACE inhibitors prevent breakdown of bradykinin ## Footnote Increased bradykinin leads to increased vascular permeability and swelling.
246
What is the **first step** in managing ACE-Inhibitor Angio-oedema?
Immediate cessation of ACE inhibitor ## Footnote Airway protection is crucial as the condition can deteriorate quickly.
247
Fill in the blank: **ACE-inhibitor angio-oedema** is mediated by _______.
bradykinin ## Footnote This condition is non-allergic and non-IgE mediated.
248
What are the **key symptoms** of ACE-Inhibitor Angio-oedema?
* Lip swelling * Tongue swelling * Difficulty speaking * No rash or itching ## Footnote Symptoms can progress to airway obstruction.
249
Why is **adrenaline** not effective in treating ACE-Inhibitor Angio-oedema?
It is not histamine-mediated ## Footnote This condition requires different management strategies.
250
What is the **common trap** regarding the timing of ACE-Inhibitor Angio-oedema?
Assuming it occurs immediately after starting medication ## Footnote ACE-induced angio-oedema can appear weeks to years later.
251
What is the **most likely diagnosis** for a young man with recurrent visible haematuria 1–2 days after an upper respiratory tract infection and mild proteinuria?
IgA nephropathy ## Footnote Key clues include synpharyngitic haematuria, young adults, normal complement levels, and recurrent episodes. This condition is not post-streptococcal glomerulonephritis, which occurs weeks later.
252
What are the **key clues** from the case stem for IgA nephropathy?
* 25-year-old male * Recurrent visible haematuria * Occurs 1–2 days after URTI * Mild proteinuria * Normal-ish BP (135/85) * Well between episodes ## Footnote The timing of symptoms is classic for IgA nephropathy.
253
What is the **pathophysiology** of IgA nephropathy?
Immune dysregulation → IgA deposition in the glomerular mesangium ## Footnote This condition is often triggered by mucosal infections, such as upper respiratory tract infections, leading to recurrent, self-limited haematuria episodes.
254
What management strategies are recommended for IgA nephropathy?
* BP control (ACE inhibitor/ARB) if proteinuria * Monitor renal function * Immunosuppression if rapidly progressive or nephrotic-range proteinuria * Refer to nephrology if: * Persistent proteinuria * Decline in eGFR * Diagnostic uncertainty ## Footnote Most patients have a benign course.
255
True or false: **IgA nephropathy** typically presents with high blood pressure.
FALSE ## Footnote Early IgA nephropathy may not present with high blood pressure, which can lead to confusion with other forms of glomerulonephritis.
256
What are the **common traps** when diagnosing IgA nephropathy?
* Confusing with post-streptococcal GN (occurs weeks later) * Assuming all glomerulonephritis causes high BP * Over-investigating with biopsy in mild, classic presentations ## Footnote These misconceptions can lead to misdiagnosis or unnecessary procedures.
257
What is the **mnemonic** to remember the timing of IgA nephropathy symptoms?
IgA = Immediately after infection ## Footnote This highlights that symptoms occur 1–2 days after infection, not weeks.
258
What are the **other clues** that might appear in a different question regarding IgA nephropathy?
* Synpharyngitic haematuria * Raised serum IgA * Episodes triggered by exercise * Normal complement levels * Possible Henoch–Schönlein purpura equivalent in children * Mesangial IgA deposition on biopsy ## Footnote These clues can help in identifying the condition in various clinical scenarios.
259
What distinguishes **Goodpasture’s syndrome** from IgA nephropathy?
* Pulmonary haemorrhage * Rapidly progressive renal failure * Not episodic haematuria * Not infection-associated ## Footnote Goodpasture’s syndrome presents with more severe symptoms and is not linked to infections.
260
What are the key features that differentiate **Alport syndrome** from IgA nephropathy?
* X-linked inheritance * Presents with hearing loss * Renal decline in childhood–adolescence * Not isolated recurrent haematuria ## Footnote Alport syndrome has distinct genetic and clinical features.
261
What characterizes **membranous nephropathy** compared to IgA nephropathy?
* Nephrotic syndrome picture * Heavy proteinuria * Oedema * Not episodic haematuria ## Footnote Membranous nephropathy presents differently, with significant proteinuria and edema.