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forensic medicine Flashcards

type and def. of wounds

Terms : Hide Images
1969225180Abrasions defSuperfitial injury - rubs across the epidermis and removes the keratinized layer and underlying cells0
1969225181Abrasions causeSliding motion and/or compression or pressure Skin contacts with rough surface (linear - scratch, graze - brush abrasion) Patterned abrasion - abreded objects might be identified (fingernail scratches, bite marks, ligature marks1
1969225182Contusion defA haemorrhage into tissues produced by the escape of blood from blood vessels - discoloration2
1969225183Contusions - severity of decoloration depends onAnatomical site:Obesity, sex, Age Disease of clotting , Skin color3
1969225184Intracranial injuries: locations*Epidural (extradural) hemorrhage (at the site of impact) *Subdural hematoma (ipsilateral or contralateral side) acute, subacute, chronic. *Subarachnoid hemorrhage (most common) *Intracerebral hemorrhage *Cerebral contusions (coup, contrecoup, herniation) *Cerebral laceration *Cerebral swelling (diffuse, focal4
1969225185Blunt force injury nay causeRib fracture,Sternal fracture. cardiac tamponade, ptx , Diaphragmatic injuries5
1969225186Stab woundMuch deeper than it is wide. Characteristics:1. Double-edged knife: margins come to a focus 2. Single-edged knife: one sharp end with the other side having a squared-off appearance with slight abrasion6
1969225187Chop wounds1.Caused by a heavy instrument, which has at least one sharp, cutting edge (e.g. axe, hatchets, meat cleavers) 2.Clean cut edges but an abraded margin. 3.Chop wound consists of an incised wound with an associtated groove or cut in the underlying bone7
1969225188Carbon monoxide intoxicationlivor mortis, muscles, and internal organs have a cherry red coloration Other reasons for cherry red coloration to livor mortis: • postmortem exposure to cold for a long period • cyanide intoxication8
1969225189Main facts which have to be established in fire deathsidentification of the deceased X-rays, dental records • whether the victim was alive at the time of the fire • cause of death • manner of death • alcohol and/or drug intoxication9

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