Exam Flashcards

(132 cards)

1
Q

Methanol andtidote

A

Fomipizole 15mg/kg
Ethanol(50%) 60mg every 2h for 4-6days

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2
Q

Delerium tremens rx

A

Benzodiazipines and thiamine

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3
Q

Delirium tremens post mortem findings

A

Cerebral edema
Liver cirrhosis
Cardiomyopathy
Hypoglycemia

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4
Q

Exceptions of rectified spirit

A

Alcohol,acetic acid,phosphorus or paraldehyde poisoning

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5
Q

Criminal causes of exhumation

A

Criminal abortion
Homicide
Criminal negligence
Retrieval of evidence

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6
Q

Civil cases of exhumation

A

Workmans compensation
Inheritance of property
Insurance claims
Wrong body burial by fraud or mistake

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7
Q

Exhumation ordered by

A

First class magistrate or executive magistrate
(District collect,rdo,deputy collector,tahsildar)

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8
Q

Obscure autopsy causes

A

Epilepsy
Thyrotoxicosis
Dka
Reflex vagal inhibition

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9
Q

Glaistons formula

A

Normal temp-rectal temp/rate of fall of temp(0.5 to 0.7)

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10
Q
A
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11
Q

Purpose of transplantion
Organs and time

A

Liver and lungs-15min
Kidney-45min
Heart-1h
Cornea-2h
Bone-6h

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12
Q

According to organ transplantion act,death certified by

A

Treating physician
Doc in charge of hospital
Doc from kerala govt
Neurologist

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13
Q

Livor mortis timing

A

1-2h-mottling
5h- coalesce
Max.-6h
Fixed-6-12h
Merges-36-48h

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14
Q

Casper’s dictum

A

Air:water:deep burial=1:2:8

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15
Q

Adipocere products

A

Stearic acid
Hydroxy stearic acid
Oleic acid
Palmitic acid

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16
Q

Adipocere formation
which enzyme
Which bacteria

A

Lipase
Chlostridium welchii-lecithinase

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17
Q

Adipocere odour

A

Rancid butter like

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18
Q

Adipocere sites

A

Face
Buttocks
Breasts

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19
Q

Organ that doesnt show adipocere

Age of baby where adipocere wont occur?

A

Brain

Below 7months

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20
Q

Adipocere formation

A

3weeks to 3months

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21
Q

Sudden death due to strenuous exercise

A

Cardiomyopathy
Myocarditis
Commotio corditis
Coronary artery anomalies

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22
Q

Postmortem staining
Cyanides?
Co?
Co2?
H2s?
Asphyxia?
Septicemia?

A

Bright red(oxyhb)
Cherry red(carboxy hb)
Deep blue(reduced hb)
Bluish green(sulphmet hb)
Dark purple
Bronze

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23
Q

Putrefaction bacteirae

A

Chlostridium welchi
Staphylococci
Streptococci
B.Proteus

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24
Q

Putrefaction changes and timings

A

Greenish discoloration of RIF-18h
Marbling-36h
Maggots-48h
Postmortem skin peeling-48-72h
Gas rigidity-48-72h
Hair become loose-72h
Degloving-3-5days
Colliquative putrefaction-5-7days

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25
26
Black discoloration due to
H2s+(fe3+)=ferric sulphide
27
Mummification timing
3-6months to 1y
28
Cadaveric spasm features
•Cause:adrenocortical exhaustion or sudden atp depletion •No primary flaccidity •Sudden spasm •Restricted to a group of muscles •Greater force to break •Responds to electrical stimuli •Body temp is warm
29
Rigor mortis simulating conditions
•Cadaveric spasm •Heat stiffening-protein coagulation above 65C •Cold stiffening-frozen below -4C •Gas stiffening-gas in joints
30
Rigor mortis timing
Heart -1h Eye lids-1-2h Establishes in all muscles-4-6h Begins to pass off-18h Completely pass off-24-36h
31
Zsakos phenomenon
Response to electric stimuli in primary flaccidity
32
Nystens rule
External Rigor mortis progression Eyelids Face Neck Upper limb Lower limb
33
Changes in the eyes after death
Rail roading or kevorkian sign-10-15sec to 1h Loss of corneal reflex IOP becomes zero-4-8h Cornea become opaque-12-36h Tache Noir Increase in sodium and decrease in calcium in vitreous humor
34
Sturner’s equation
Time since death= 7.14*(K+ in vitreous humor)
35
Suspended animation seen in
Drowning Hanging Electrocution Sunstroke Hypothermia Yoga Head injury
36
Immediate changes
Primary flaccidity Pupil dilation
37
Boyde’s method
Method using cross striations or enamel lines of teeth to calculate age of young children
38
Gustafsons method definition
Estatimation of age of dead person by eruption and degradation changes of permanent teeth(upper incisor or canine) of age 25-60y
39
Components of gustafsons method and equation
Attrition Paradentosis Secondary dentine Cementum apposition Root resorption Root transparency 5.34*point value-4.08 Std error extend upto +3.63y
40
Which is the most reliable criteria in gustafson method
Root transparency
41
42
Papillary ridges formed
3-4m of IUL and completed 6th m of IUL
43
Permanent fingerprint impairment causes
Adermatoglyphia Leprosy Electrical injury Dyskeratosis congenita
44
Which all are the ridge patterns
Composite(1-2%) Arches(6-7%) Loop(67%) Whorl(25%)
45
Which all are the reference points?
Ridge breaking Bifurcation Ridge reunion Island formation Island with dot formation Lake formation Ridge ending
46
Quetlets rule
Every object in nature shows infinite variations
47
Poroscopy
Ridges have 9-18 microscopic pores They are examined
48
Tattoo erasure methods?
Caustic substances:papain in glycerine,tannic acid Overtattooing:tannic acid Burns Electrolysis Laser Surgery Co2 snow application
49
Criteria of superimposition
•Eyes should be in the orbits •Nasion should be at the frontonasal junction •Nasal spine should be above nose tip •Menton should be at symphysis menti •Gonion should be at the angle of mandible •Outline of the mandible should be congruous with jaw outline
50
51
Dna fingerprinting found out by
Alec Jeffrey
52
Dna fingerprinting method
Dna to single strands to dna fragments by restriction endonuclease Electrophoresis classify them according to weight(southern blotting) Hybridization-Add radioactive probes Excess VNTR washed off Visulized by autoradiography(xray)
53
54
Rna and protein analysis name?
Northern blotting Western blotting
55
PCR found out by
Kary B Mullis
56
PCR method
Denaturation(94-96C) Annealing(68C) Extension(72C)
57
Cephalic index types
Dolicocephalic-70-75 (aryans,aborigines,negroes) Mesaticephalic-75-80 (Europeans,indians) Bradycephalic-80-85 (Mongolians)
58
Intersex types
Gonadal agenesis Gonadal dysgenesis True and Pseudohermaphroditism
59
Most common cause of klinefelters syndrome
Hyperthalamic hypogonadism
60
True hermaphroditism
Ovary/testes/ovotestis on both sides Ext genitilia of both sex
61
Pseudo hermaphroditism
Male hermaphroditism XY(has testes) Ext genitilia(blindly ending vagina)are of female form No uterus,tubes or ovaries inside. Cause: androgen receptor deficiency 5 alpha reductase deficiency Female hermaphroditism XX(has uterus,tubes,ovaries) External genitilia: Labia majora to bifid scrotum Enlarged clitoris to penis Cause: Congenital adrenal hyperplasia 21hydroxylase deficiency
62
Barr bodies
Plano convex bodies beneath nuclear membrane in buccal epithelium Seen in interphase during mitosis Fluroscent feulgen reaction-bright yellow spot
63
Davidson body
Drumstick appearance from a lobe of nucleus of 3-6% neutrophils in female
64
Lyons hypothesis
No of x chromosome -1
65
Define torture
The deliberate systemic infliction of physical and mental suffering by one or more persons,acting alone or on the orders of an authority to force another person to yield info or make confession or any other reason
66
Types of torture example
1.physical abuse (Falanga,telefono,chokeholds, dry submarine,wet submarine,cattle prod,black slave,starvation) 2.mental torture (Sleep deprivation,putting in dark room,mock execution) 3.Animal torture 4.Sexual torture (Introducing object into private parts,undressing infront of others,sexual torture by trained animals)
67
McNaughtens Rule
In order to establish insanity as a defence of a crime,it must be clearly proved that at the time of commiting the act,the accused was laboring under such a defect of reason from disease of mind so as to not know the nature and quality of the act or what he was doing was wrong or legally punishable
68
Sec22BNS
Nothing is a offence which is done by a person who,at the time of doing it,by the reason of unsoundness of mind,is incapable of knowing the nature of the act or that he is doing,what is either wrong or contrary to the law
69
Legal test of insanity
1.unsoundness of mind at the time of doing it 2.doesnt know the nature of the act 3.even if he know the nature of the act,he doesnt know if it is right or wrong 4.the person doesnt know it is contrary to the law of the land
70
Limitations of sec22
Mere certification not acceptable Mild or borderline mental illness is not excluded All or none law Stubborn law
71
"misinterpretation" of a real external stimulus
Illusion
72
Hallucination diff types
Visual(water on floor -ganja addiction) Auditory Gustatory Olfactory Psychomotor-rising up-ganja addiction Liliputian-objects seems small Hypnagogic-just bfr sleep
73
Civil responsibilities of mentally ill
1.Mx of property 2.Consent 3.Contract 4.Marriage 5.Witness 6.Testamatory capacity (making will)
74
Who coined schizophrenia
Eugene bleuler
75
4a of schizophrenia
Autism Ambivalence Affect disturbance Association disturbance
76
3 poisonous snakes with large head scales
Pit viper Cobra Krait
77
Big Four snake
Saw scaled viper Russels viper Cobra Krait
78
Rx of neurotoxin(cobra or krait bite)
10 vials of polyvalent asv iv infusion for 30min 10 vials of poyvalent asv after 1 hour and repeated till symptoms subside
79
Rx of hemotoxin
Low dose infusion therapy 10 vials(russels) or 6 vials (sawscaled) for 30min 2 vials every 2h as infusion in 100ml normal saline till clotting time normalises High dose 10 ASV for 30min, 6 vials 6th hourly till clotting normalises
80
Additional snake rx
Adrenaline 0.1% Antihistamine Steroid For circulatory collapse glucose salien iv Tetanus Antibiotics Hemodialysis
81
Deliriants examples
Datura,Atropa Belladona
82
Datura active principles
Atropine Hyoscine Hyosciamine
83
Atropa active priciples
Atropine Scopolamine Hyosciamine
84
Symptoms of datura poisoning
Dysphagia Dysarthria Delirium Drowsiness Dysuria Diplopia Dialation of pupil Diminshed bowel movements Dry hot skin Dilation of cutaneous blood vessels
85
Datura fatal dose and fatal period
0.6-1g 24h
86
Rx of datura poisoning
1:1000 kmn04 stomach wash Physiostigmine 0.5mg im/iv hourly intervals Pilocarpine nitrate 5mg sc every 2h Sedatives for delirium Diazepam for convulsion Tepid sponging for hyperthermia Catheter
87
Postmortem appearnce datura poisoning
Froth at nostrils Internal organs congested Seed particles in stomach
88
Road poison or railway poison
Datura
89
What causes death in datura poisoning
Resp paralysis
90
Types of drowning
Typical (Fresh and salt water) atypical 1.dry 2.shallow 3.immersion 4.secondary
91
Cause of death in fresh water drowning
Due to vol overload and hyperkalemia, Ventricular fibrilliation occurs And heart failure occur—> death
92
Cause of death in salt water drowning
Pulmonary edema Hemoconcentration Hypernatremia Heart failure
93
Fatal period of fresh water and salt water drowning
4-5min 8-12min
94
Post mortem appearances of drowning
External Wet cloth Congested face Congested eyes Lividity on upper limb,face and shoulders Fine white leathery tenacious froth due to churning of air,water and mucous in alveoli Washerwomans hands and feet Cutis anserina Cadaveric spasm Penis and scrotum retracted Internal Paltaufs hemorrhage (Haemorrhage on lower lobes) Emphysema aquosum lung
95
Secondary drowning causes of death
Pulmonary edema ARDS Myocardial anoxia Septicemia Hemoglobinuria Hypoxic brain damage
96
Gettlers test
Normal cl -600mg/dl In salt water, Cl content in LV is 42% more than RV due to hemoconc In fresh h2o, Cl content in LV is 50% less than normal due to hemodilution
97
Diatom test
5-10g curetted bone marrow Add conc hno3 Boil for 10-15min Centrifuge Sediment is examined under microscope Look for diatoms
98
Water in sinuses
Sveshnikovs sign
99
Gastric content when allowed to settles it becomes foam,middle layer liquid and sendiment in bottom
Sehrt’s sign
100
Superficial radial ruptured in gastric mucosa
Sehrts sign
101
Accidental food entry into larynx causing laryngeal spasm,vagal inhibition and asphyxia Rx Heimlich manoeuvre Needle cricothyrotomy Energency tracheostomy
102
Traumatic asphyxia
Mechanical compression of chest wall causing asphyxia Death due to sudden cerebral venous congestion
103
Antemortem signs in hanging
Parchment like subcutaneous membrane Pattern abrasion Discontinuous Oblique Above thyroid cartilage Salivary trickle Le facie sympathique Tongue protruded Glove and stocking lividity Semen at tip of penis Feces and urine may discharge
104
Asphyxia definition
Physiological and chemical state in a living organism in which there is acute lack of o2available for cell metabolism associated with inability to eliminate excess co2
105
Mechanical asphyxia type
Gagging Choking Strangulation Hanging Smothering Traumatic asphyxia Drowning
106
Anoxia types
Histotoxic(cyanide) Anoxic Stagnant Aneamic(CO)
107
Co inhibits which all enzymes
Cyta3 oxidase Cyt p450
108
Dd of co poisoning
Head injury Electrolyte imbalance Barbiturate poisoning Hypoglycemic coma Alcohol intoxication
109
Dx co poisoning
Kunkel test Diluted blood1:10+ tannic acid gives crimson red Hoppe seylers test Blood +10%naoh= pink Spectroscopy Ct globus pallidus putamen low density areas
110
Rx co poisoning
Hyperbaric o2 Blood transfusion Gastric lavage to prevent aspiration pneumonia 20% Mannitol
111
Co poisoning pm finding
Cherry red hypostasis Blister on pressure areas Froth on nostrils and mouth Internal Rhabdomyolysis Congested brain Puctiform ring hemorrage in white matter
112
Safety lvl of co in air
0.1%
113
Cyanide has what odour
Bitter almond
114
Pm finding of Cyanide
Froth be present in mouth and nostrils Bright red lividity Bitter almond smell
115
Dx of cyanide
Lees Jones test Feso4+5ml gastric contents gives greenish blue color
116
Rx of cyanide poisoning
0.2ml amylnitrite for 30 sec every 3min Sodium nitrite Sodium thiosulphate Alternate Hydroxocobalamine Dicobalt edetate
117
Cyanide poisoning kit name
Eli lilly andidote kit
118
Mango like cardiac poison Active principles
Cerebra odollum Cerebrin Cerebrocide Odollin odolotoxin
119
Fatal dose and fatal period of cerebra odollum
One kernel fruit 1-2days
120
Pm findings in cerbera odollam
Git: Bitter taste Gi irritation Cns: Blurring Weakness Cvs: Hyperkalemia Transaminase deficiency Eeg: Av block Sa block Sinus bradycardia
121
Rx of cerebra odollam
Atropine Propanalol Hyperkalemia shoukd be corrected Digoxin immune fab
122
Body packer syndrome Radiological signs
Rosette sign Double condom sign
123
Aconite active principles
Aconine Aconitine Pseudoaconitine
124
Aconite moa
Opens tetradoxin sensitive sodium channels
125
Munchausen syndrome by proxy
Mother suffer from borderline personality disorder Blood in child urine Scratch for rash Insulin to hypoglycemia Anticoagulant to bleeding Emetics to vomiting Laxatives to diarrhoea Barbiturate to cns depression
126
Sudden infant death syndrome or cot death
2-6months 3:2 M:F Bottle fed Alcoholic or smoking mother Low socioeconmc stds Cause Sleep apnoea Hypothermia Uri Staph aureus infection Hyperthermia Infant botulism Hypersensitivity to cow milk
127
Battered baby syndrome Or caffeys syndrome
Discrepancy of h/o and injury Delay of injury and medical attention Age:less than 3y Low socioeconmc class Unwanted first or last child Multiple bruises Butterfly contusions Laceration Burns Bitemarks Subconjuctival haemorrhage 6penny bruise Internal Subdural hematoma Rib fracture Callus formation in bones String of beads xray Metaphyseal corner fracture of knee and elbow-bucket handle fracture Avulsion freacture of clavicle
128
129
Still birth
Stillborn child More than28w, but didnt show any signs of life after it was born Cause Prolonged labour Toxemia Excessive moulding Placental abnormalities Intrauterine asphyxia Erythroblastosis foetalis
130
Dead born child
One is already dead in urero that is before birth process began Signs RM(few h before birth) maceration(3-4d) •skin slippage(>12h of iud) •purple skin+vesicle+soft umbilical cord+distended abdomen •spalding sign(7-10days of iud) •gas shadow in heart chambers and aorta -robert sign Mummification(>2w of iud) Putrefaction
131
Signs of live birth
Civil cases Cry,yawn,muscle movement Criminal case •Expanded drum shaped chest •3-4th rib lvl to 6-7 rib lvl diaphragm •Liver redbown to red pink •foders test 30-40g to 60-70g •ploucquets test Lung:body - 1:70 to 1:35
132
Op poison rx
Atropine 2pam Dam Pralidoxime