Y4 - Finals Edition > Surgery C CBLs > Flashcards

Surgery C CBLs Flashcards

(54 cards)

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1
Q

Common drug causing oral ulceration

A

Nicorandil

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2
Q

Red flags associated with head and neck malignancy

A
  • unexplained ulceration in oral cavity > 3 weeks
  • persistent and unexplained lump in neck
  • lump on lip or in oral cavity
  • Erythroplakia
  • Erythroleukoplakia
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3
Q

Assessing a patient with burns

A
  • ABCDE
  • Primary survey, secondary survey assessing for further injuries
  • Assess TBSA and depth with a Lund and Browder chart
    • will help aid fluid resuscitation
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4
Q

What chart will you use to help assess TBSA?

A

Rule of 9s
- arm = 4.5%
- leg = 9%
- Torso = 18%

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5
Q

Signs of an inhalation injury

A
  • tachypnoea
  • hoarse voice
  • facial hair loss
  • swollen neck
  • low sats on pulse oximetry
  • high carbon monoxide levels
  • alterations in voice
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6
Q

What is important to consider if you suspect an inhalation burn injury?

A
  • early intubation
  • call the anaesthetist to aid in early airway management
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7
Q

SUPERFICIAL BURN

A
  • epidermis only
  • like sunburn: red and painful
  • no blister
  • skin blanches
  • does not scar
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8
Q

Superficial partial thickness

A
  • epidermis and upper layer of dermis
  • pink and painful
  • blistering
  • heals usually without scar
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9
Q

Deep partial thickness

A
  • epidermis and lower layers of dermis
  • red and fixed (does not blanch with pressure)
  • may require surgical intervention
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10
Q

Full thickness burn

A
  • all layers of skin, subcut and muscle
  • LEATHERY SKIN
  • does not blanch
  • lack of cap refill
  • needs surgical intervention
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11
Q

Formula used for resuscitation

A

PARKLAND FORMULA in burns

1/2 volume in first 8 hours

1/2 volume in next 16 hours

4mls x BODY WEIGHT x TBSA% = TOTAL FLUIDS FOR 24 HOURS

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12
Q

Procedures used to manage very severe burns

A

ESCHAROTOMY
- divide burned tissue to allow perfusion to be maintained in the limb

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13
Q

Why might limbs with circumferential full thickness burns swell?

A
  • circumferential full thickness burn acts like a tourniquet
  • limb swells due to injury
  • perfusion pressure of limb can be overcome by tightness of burn
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14
Q

Concerns of an electrical burn

A

1. Electrical injuries —> can cause significant myocardial instability
- needs cardiac monitoring
- monitoring and adjustment of electrolytes as required
- beware AKI due to myoglobinuria

2. Upper limb
- Compartment syndrome
- due to superheating and necrosis of muscles

3. Patient intubated
- difficult to ascertain history
- medications and drug allergies

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15
Q

Fasciotomy vs Escharotomy

A

Escharotomy
- divides eschar (full thickness burn)
- performed on limbs and torso
- can be performed at bedside
- largely prophylactic

Fasciotomy
- divides deep fascia of limbs
- under GA
- prophylactic or therapeutic
- almost exclusively applies to high voltage electrical burns

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16
Q

When might an adenoidectomy be beneficial in children:

A

if child has glue ear and nasal obstruction due to adenoidal hypertrophy

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17
Q

What type of hearing loss is likely due to an acute infection with residual glue ear and tympanic membrane perforation

A

CONDUCTIVE HEARING LOSS

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18
Q

Management of acute mastoiditis

A
  • discuss with neurosurgeons due to possible erosion into posterior cranial fossa
  • start anticoag for possible VTE
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19
Q

Complications of mastoiditis

A

Intracranial
- abscesses
- empyema
- meningitis
- venous thrombosis
- otitic hydrocephalus

Extra-cranial
- abscess
- hearing loss
- facial nerve palsy
- labyrinthitis

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20
Q

Why might a cholesteatoma cause imbalance?

A

Cholesteatoma can erode through bone
- destroying ossicles and even causing erosion into the lateral semi-circular canal
- resulting in impaired vestibular function and possibly dead ear

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21
Q

What is a cholesteatoma?

A
  • ingrowth of keratin in tympanic membrane retraction area
  • it expands and erodes bone around it
  • histologically benign but locally aggressive as it can erode bones
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22
Q

What might be seen in a patient with diabetic maculopathy?

Study These Flashcards
A
  1. Microaneurysms
  2. Hard exudates
  3. Blot haemorrhages
  4. Cotton wool spots
  5. Neovascularisation
23
Q

What is glaucoma?

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A

Build up of aqueous humour due to blockage of trabecular meshwork.

Increased pressure of eye

Could cause damage to the optic nerve

24
Q

What might be seen in central retinal vein occlusion?

Study These Flashcards
A
  • tortuous retinal veins
  • diffuse intraretinal haemorrhages in all four quadrants
  • cotton wool spots
  • swollen optic disc
  • retinal oedema

STORMY SUNSET

25
What is used to dilate the eyes during ophthalmoscopy?
Tropicamide?
26
Cataracts surgery involves
1. incision is made into eye 2. emulsification: breaks up cloudy lens 3. intraocular lens implanted 4. incision heals on its own measure outcomes in quality of life and PROMS
27
Management of GCA (temporal arteritis)
If no vision loss --> high dose prednisolone Some visual changes --> high dose prednisolone VISION LOSS --> IV methyl pred remember ESR > 50
28
Key features of acute closed angle glaucoma
1. **Presenting features:** - ACUTE - severe unilateral eye pain - nausea and vomiting - haloes around bright lights 2. **Epidemiology** - women 4x more - common in Inuit, southeast Asian and Chinese populations - 50+ 3. **Examination** - unilateral red eye - cloud cornea - oval non-reactive pupil 4. **Management** - same day admission - risk of permanent vision loss!
29
Otitis Externa common pathogens (3)
Pseudomonas Aeruginosa Staph aureus E Coli
30
Tx of Otitis Externa
1. Topical acidifier 2. Topical ABx - ciprofloxacin OR - gentamicin and hydrocortisone 3. Oral ABx - oral flucloxacillin If concerns about anaerobic infection --> METRONIDAZOLE
31
Tx of chronic suppurative otitis media
1. Topical Abx --> CIPROFLOXACIN OR - gent and hydrocortisone Surgery --> Tympanoplasty
32
Summarise causes Dizziness
1. Vestibular neuronitis 2. BPPV 3. Meniere's disease 4. Vestibular migraine 5. Labyrinthitis
33
Benign positional paroxysmal vertigo could be confirmed and treated by what
Confirmed by History and Dix Hallpike manoeuvre Treated with Epley
34
Meniere's disease characterised by what symptoms
1. Aural fullness 2. Tinnitus 3. Deafness
35
Management of Meniere's disease
1. Prochlorperazine: not long term! 2. Trans tympanic steroids 3. Chemical labyrinthectomy - gentamicin ablation
36
Key features of labyrinthitis
- tinnitus - vertigo - viral URTI - hearing loss
37
Ramsay hunt syndrome most commonly caused by
Herpes zoster oticus
38
Mx of Ramsay Hunt syndrome
1. Prednisolone 1mg/kg OD 7 days then taper 2. PPI 3. Viscotears 4. Antivirals -> valacyclovir
39
Most common causes of acute otitis media
H Influenza S pneumoniae M catarrhalis
40
What type of viruses cause croup
Parainfluenza
41
What type of viruses cause epiglottitis
H influenza
42
Features of retrobulbar haemorrhage
- pain behind eye - sticky out eye - opthalmoplegia
43
Treatment of retrobulbar haemorrhage
1. IV steroids 2. ACETALZOLAMIDE - to reduce IOP 3. Mannitol - osmotic diuretic Definitive management - surgical decompression - LATHERAL CANTHOTOMY
44
Management of diabetic eye
Mx: retinal laser photocoagulation ANTI-VEG F --> ranibizumab
45
Key features of hypertensive retinopathy on fundoscopy
- haemorrhages - exudates - cotton wool spots - macular star
46
Which virus is associated with posterior uveitis
TOXOPLASMOSIS --> black scar on fundscopy
47
Management of anterior uveitis
1. Steroid drops 2. Dilating - cyclopentolate - atropine 3. Peri-orbital steroid injection - subconjunctival dexamethasone
48
Management of acute closure glaucoma
1. LIE PATIENT DOWN 2. PILOCARPINE - to constrict pupil - 2% for BLUE eyes - 4% BROWN eyes 3. IV acetazolamide - reduce aqueous humour 4. Timolol 5. LASER IRIDIOTOMY
49
When is central vision affected in retinal detachment?
When macular detached
50
Management of retinal detachment
SURGERY - laser scars to weld retina in place
51
Layers of epidermis
COME LETS GET SUN BURNT Corneum Lucidum Granulosum (3-5) Spinosum (8-10) Basal Dermis
52
Jackson's Burn zones
Zone of coagulation --> irreversible Zone of Stasis --> decreased tissue perfusion Zone of hyperaemia --> increased tissue perfusion, tissue usually recovers
53
Vestibular rehabilitation exercises
COOKSEY-CAWTHORNE exercises
54
Grading for facial palsy
HOUSE BRACKMANN GRADING (1-6)
Y4 - Finals Edition
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