Sharp Force Trauma Flashcards
What are the two most common manners of death sharp force traumas are involved in?
Homicide and suicide (HS)
What are the three types of sharp force trauma?
Stab, incised, and chop wounds (HS)
Describe a stab/puncture wound
Wound is deeper than it is long (HS)
Describe an incised/cut wound
Wound is longer than it is deep (HS)
Describe a chop wound
Wound is a combination of sharp and blunt force trauma with gaping, abraded edges (HS)
when taking photos of a wound what must be present in the photo?
AR
scale
What is a hilt mark?
AR
bruisng from a fist with a stab wound
Where are defensive wounds located?
AR
foremarms, hands
What are hesitation marks?
AR
repeated, mutiple surperficial parallel cuts before fatal injury
Three types of blood patterns
AR
Passive, transfer, impact
What is exsanguination?
The loss of blood
(KW)
True or False: Lacerations are a type of sharp force trauma.
False, Lacerations are a type of blunt force trauma.
(KW)
What is the characteristic that allows for you to distinguish a sharp force injury?
“Bridging” tissues
(KW)
True or False: the presence of “bridging” tissues indicates an injury by a sharp object.
False, its the absence of “bridging” tissues that indicate an injury from a sharp object.
(KW)
What are three complications of sharp force injuries?
Exsanguination, asphyxiation, air embolisms.
(KW)
What is common to find in suicide cuts?
Hesitation marks
(NA)
What is sawing?
lots of superficial parallel cuts. This indicates repeated trials before the fatal injury.
(NA)
What is an arterial blood pattern?
Heartbeat like appearance due to the pumping happening caused by a severed artery
(NA)
What is an expired blood pattern?
mist like spatter as a result of exhaled breathing full of blood, often can have bubbles
(NA)
