death final Flashcards by Matthew Ipock

created by failure of cells to receive or utilize oxygen

Asphyxial death

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deprivation of oxygen can be partial or complete(terms)

hypoxia anoxia

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classic signs of asphyxia 4

visceral congestion, petechiae, cyanosis, fluidity of blood

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categories of asphyxial death 3

suffocation, strangulation, chemical asphyxia

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asphyxial deaths can be 3

accidental, suicidal, or homicidal

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strangulations # per year

286

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asphyxiations not strangulation # per year

107

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caused by inadequate oxygen in the immediate environment

entrapment/ environmental suffocation

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normal level of oxygen

21%

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4-6% oxygen consequences

loss of consciousness in 40 seconds, death in few minutes

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autopsy findings in entrapment asphyxiation

acute visceral congestion, circumstances leading up most important

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mechanical manual obstruction of airways

smothering

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obstruction within the airway

choking

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pressure outside body prevents respiration

mechanical asphyxiation

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types of mechanical asphyxia 3

traumatic, positional, riot crush

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caused by displacement of oxygen

suffocation

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most common gasses in suffocation

carbon dioxide, methane

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closure of blood vessels and air passages in the neck

strangulation

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types of strangulation 3

hanging, ligature, manual

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pressure to compress jugular veins

4.4 pounds

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death by weight of body

hanging

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death by some force other than weight of body

ligature

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death at the hands of someone else

manual

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autoerotic deaths per year

500-1000

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% fire deaths occur in the home

categories of burns 6

flame, contact, radiant, scalding, chemical, microwave

percent of body burned based on rule of

9's

red, swelling, no blister

first degree

moist red blistered

second degree

lesions, no blisters, scarring

third degree

incineration of skin

fourth degree

accidental ignition of clothing per year

150-200 deaths

burning death pose

pugilistic fighter pose

most people die in fires due to

smoke inhalation

self immolation

setting yourself on fire

which generally causes more injury acid or alkali

alkalies

colorless, odorless, tasteless gas

carbon monoxide

of deaths caused by CO anually

2700

most common CO death method

sucking a tail pipe

hemeprotiens like CO better than oxygen how many times

30-500

hemoglobins like CO over oxygen how many times

250-300

level of COHb in smokers

up to 15%

Low concentrations of CO can still

create high levels of COHb

At what % of COHb death

60%

sign of CO at autopsy

Cherry red livor mortis

CO can kill unborn baby even if mother lives

True

drowning deaths per day

Who is most likely to die of drowning

males

Drowning the leading cause of death children 1-4

true

in icy water max time of submersion of child

66 minutes

submersion victim that lives 24 hours after drowning

near drowning

drowning is a diagnosis of

exclusion, autopsy and tox necessary

drowning can be

homicidal

death by electrocution is normally

by accident

type of electricity most common to death

how much more sensitive to AC vs DC

4 to 6 times

15-17 mA causes what

contracture of muscles

1A and higher causes what

ventricular arrest

at 50mA what can happen

muscles contract enough to break bone

of deaths from electrocution each year

1000

electrical burns tend to be where

palms, fingers, bottom of feet

lichtenberg figures, what type of injury

lightning strike

entry and exit wounds can be distinguished

False

suicide scenes should be processed as

homicide

suicide deaths per day

105

Who attempt suicide most often

women

who are successful in suicide most often

men

nearly all adult overdoses are

suicide

highest incidence of homicide in what two months

july and december

homicides are cleared more frequently because

90% of the time the victim is acquainted with killer

what are not present in homicide cutting deaths

hesitation marks

extremely large # of wounds indicate

homosexual rage

most profilers do what

background in law enforcement not psychology

what make a serial killer

3 or more with waiting period

hear voices or see visions

psychotic

don't know right from wrong

psychopath

group considered psychotic

Visionary motive

wants to rid world of particular group

missionary-oriented

enjoy killing for the excitement

thrill oriented

pleasure derived in pain prior to death

lust

characteristics of serial killers as children

terrible triad, bed wetting, fire starting, animal torture

death final Flashcards

(81 cards)