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Death: Meaning, Manner,Mechanism, Cause, and

Time

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Did You Know?

As late at the 17thcentury peoplewere oten !uried ali"e #nostethoscopes$ %ea& heart!eats, coma

'ead to practice o !urying people inco(ns with a !ell) May ha"e led to the e*pression, +sa"ed

!y the !ell-

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.ideo

/eal 'ie C0: Crime Autopsy

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Death De2ned

Death3 Cessation, or end, o lie

rre"ersi!le cessation o circulation o !lood 4eart stops !eating and cannot !e restarted

5o 6*ygen source to cells

Cessation o !rain acti"ity Cessation o all !rain acti"ity

*perts do not agree on a single de2nition o death

A T6894 80T653 s a person with a heart!eat ali"ee"en i there is no !rain acti"ity?

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0tages o Death t is di(cult to pinpoint the e*act point at which someone

has died, death is a process rather than an instant e"ent)

The moment o death is usually considered the point ono return

; 0tages

0toppage3 !asic processes o !ody ail to occur Caused !y lac& o o*ygen as cells throughout the !ody !egin to die #5o

AT

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Manner of Death

The manner of death can be

5atural3 most common nterruption and ailure o !ody unctions resulting rom age or disease)

Accidental

8nplanned e"ents such as car accidents or alling rom a ladder

0uicidal A person purposely &ills onesel

Can !e di(cult to determine #accidental "s suicidal$

4omicidal A person or persons &ills another person or persons

8ndetermined

Sometimes the manner of death can be dicult to

determine

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uestions To

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Cause and Mechanism oDeath

Cause o Death3 The reason or the death) Disease, physical in>ury, heart attac& ect))

lunt orce trauma, shooting, strangulation ect@

Mechanism3 is the speci2c change in the !odythat !rought a!out the cessation o lie lood lost, pulmonary arrest #heart stops !eating$

ect@

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orensic

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TheAnatomy Lesson of Dr. NicolaesTulp, !y /em!randt, depicts anautopsy

http://en.wikipedia.org/wiki/Anatomy_Lesson_of_Dr._Nicolaes_Tulphttp://en.wikipedia.org/wiki/Anatomy_Lesson_of_Dr._Nicolaes_Tulphttp://en.wikipedia.org/wiki/Rembrandthttp://en.wikipedia.org/wiki/Rembrandthttp://en.wikipedia.org/wiki/Anatomy_Lesson_of_Dr._Nicolaes_Tulphttp://en.wikipedia.org/wiki/Anatomy_Lesson_of_Dr._Nicolaes_Tulphttp://en.wikipedia.org/wiki/Anatomy_Lesson_of_Dr._Nicolaes_Tulphttp://en.wikipedia.org/wiki/Anatomy_Lesson_of_Dr._Nicolaes_Tulp

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Also may !e in"ol"ed@

orensic Anthropologist denti2cation and e*amination o human

s&eletal remains)

ntomologist 0pecialists in the study o insects can help

determine time o death)

%ell tal& more a!out these specialists andtheir roles later

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'a! Tomorrow

Tomorrow we will !e perorming anautopsy)

%e must amiliari=e oursel"es with theollowing anatomical terms