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forensic Flashcards

1
Q

most superficial injury/mildest

A

abrasion

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2
Q

injury usually restricted to epidermis

A

abrasion

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3
Q

blood vessel injury restricted to skin

A

bruise

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4
Q

blood vessel injury/ bleed in organ

A

contusion

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5
Q

cut/break in continuity of skin /skin splitting due to blunt object

A

laceration

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6
Q

cut/break in continuity of skin /skin splitting due to sharp object

A

incision/stab

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7
Q

gaping of skin seen in

A

incision/laceratin

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8
Q

diff b/w incision and laceration

A

regular margins inincisions
bruising around laceration
clean cut in incision/ tissue bridges in laceration
hair crushed in laceration

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9
Q

diff b/w/ incision and stab

A

max. dimension in incision is length/ max. dimension in incision is depth

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10
Q

what causes chopped wound

A

axe

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11
Q

direction in abrasion by

A

epithelial heaping up

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12
Q

direction in incision by

A

deepest in start=tailing

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13
Q

direction in laceration by

A

SWALLOW tail

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14
Q

direction in stab by

A

FISH tail

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15
Q

gravel burn aka

A

brush burn/ graze abrasion

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16
Q

rope on neck which abrasion

A

pressure abrasion/ imprint abrasion

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17
Q

bruising behind ear due to trauma where?
k/s?

A

middle cranial fossa(not in post auricular area)
Ectopic bruise / battle sign

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18
Q

six penny sign + injuries/ # of diff ages

A

Non accidental injury / child abuse

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19
Q

what can be seen in Non accidental injury/ child abuse(4)

A

1 six penny sign
2 multiple # of diff age
3 retinal hemorrhage
4 SDH

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20
Q

what type of intracranial hemorrhage in child abuse

A

SDH

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21
Q

Multiple # of diff ages seen in?(2)

A

1 OI
2 NAI

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22
Q

type of # specific to NAI

A

metaphyseal corner # / bucket handle

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23
Q

type of # specific to OI (osteogenesis imperfecta)

A

diaphyseal #

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24
Q

what shape is tram track bruise?
seen in?

A

2 linear lines
seen in lathi /stick injury

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25
Q

what can induce artificial bruise

A

semicarpus or bilvanol

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26
Q

diff between artificial and actual bruise

A

artificial bruise will have=
1 Vesicles
2 pruritis/itching
3 Absent color change/evolve
4 Absent vital

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27
Q

not vesicle not pruritic?

A

secondary syphillis

28
Q

R R RB B B for

A

age of abrasion
raw
red
reddish brown
brown
black

29
Q

negative zone in vital reaction is where?

A

area injured

30
Q

positive zone in vital reaction is where?

A

area surrounding injury
shows enzymatic reaction

31
Q

R VIBGYO for?

A

age on contusion /bruise
red
VI= blue
brown
green
yellow
original

32
Q

original color after bruise when?

A

after 2 weeks

33
Q

yellow color when after bruise?
due to ?

A

7 - 12 days
bilirubin

34
Q

green color when after bruise?
due to?

A

5 - 6 days
toidin / biliverdin

35
Q

brown color when after bruise?
due to?

A

4 days
siderin

36
Q

blue color when after bruise?
due to ?

A

hrs - 3 days
deoxyhemoglobin

37
Q

bruise due to which hemorrhage does not show color change

A

subconjunctival hemorrhage
(stays red then disappear)

38
Q

diff b/w liver mortis and contusion(injury when alive)

A

liver mortis= dependent part
=well defined
= blanch
contusion= extravasation seen
=color change seen

39
Q

diff b/w antemortem and postmortem clot

A

antemortem clot=firm/dark
=striae of zahn seen
= coralline platelet thrombus
post mortem clot= chicken fat clot

40
Q

coralline platelet thrombus seen in

A

antemortem clot

41
Q

striae of zahn seen in?

A

antemortem clot

42
Q

chicken fat clot seen in

A

postmortem clot

43
Q

seppuku aka

A

harakiri

44
Q

mechanism of harakiri/ seppukku

A

fatal wound on stomach=bowels out= VASOVAGAL SHOCK

45
Q

jigai

A

go for jugular( suicide by injury to internal jugular vein)

46
Q

incised looking laceration seen in

A

blunt force on bony prominences( eg forehead)

47
Q

laceration looking incised wound seen in

A

incision in area with lot of soft tissue/ without bone( eg axilla / scrotum)

48
Q

defense cut seen in ?

A

fingers

49
Q

hesitation cut?

A

suicidal/ multiple

50
Q

arborization flower aka

A

filigree burns
Lichtenberg flower

51
Q

filigree/arborization/ litchenberg seen in

A

lightning burn

52
Q

crocodile burn in?

A

high voltage electrical injury

53
Q

flash burn seen in

A

high voltage electrical injury

54
Q

joule burn

A

low voltage burn

55
Q

which is more dangerous AC or DC

A

AC more dangerous

56
Q

most important factor for death in electrical injury

A

amperage

57
Q

high voltage electrical burn are

A

crocodile burn
flash burn

58
Q

what type of skin is barrier to electrical current

A

dry skin

59
Q

mcc of death in electrical injury

A

arrhythmias

60
Q

effect of electrical injury on muscles?
relation to surgery?

A

crushed muscle injury
rhabdomyolysis is complication in surgery due to use of electrical ligation devices etc

61
Q

more fluid after surgery due to?
how much

A

rhabdomyolysis due to electrical injury
4ml/kg/% bsa

62
Q

rigor mortis sets early or late in muscle injury

A

early

63
Q

boxer’s attitude seen in?
aka?
what kind of attitude

A

burn
pugilistic attitude/ heat stiffening
flexion

64
Q

pugilistic attitude after burn is due to

A

coagulation of proteins

65
Q

coagulation of proteins at what temp

A

65 degree Celsius

66
Q

what is heat rupture

A

splitting of skin due to heat

67
Q
A

AM (12 decks)

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