Post Mortem Changes
Terms in this set (75)
Systems Necessary For Life
Clinical Definition of Death
Not breathing, no heartbeat, and no neurological function
Cellular Definition of Death
Cells remain alive after clinical death
Legal Definition of Death
Absence of neurological function will be declared dead even though heart may still be beating
Difference between maggot and pupa
Maggot comes first (larva)
Pupa is the case maggots make before they become an adult
Age of Skeletons
Size of bones
Where bones fuse
Race of Skeletons
Characteristics of the skull
Sex of Skeletons
Use pelvis (up to ~80 is a male)
Caucasoid, Mongoloid, Negroid
Big face, tiny brain, small feet, upper limbs are stronger
(ex: wrist bones)
longer than wide
flat and normally for protection
Don't fit into other categories
settling of blood
starts immediately, fixed after 12 hours (can't see until about 2 hours after death)
starts 1-2 hours after death
starts immediately (1.4 degrees decrease for first 12 hours, slower after)
Dry environments, too dry to decompose
Decomposing leading to liquification of the organs, bacteria causes it
Body becomes waxy
damp, warm environments
Removal of soft tissue so just the bones are left, one of the final stages of decomposition
Microbes found in water, used for water identification
Tell us time of death
Primary Cause of Death
immediately caused death (heart/nervous system failure)
Secondary Cause of Death
what led to the primary cause (manner)
First Step of Autopsy
Examine outside of body for evidence
Gun shot wound
natural causes (cancer, stroke, etc.)
Last Step of Autopsy
Incision is sewn shut and body is washed
evidence of strangulation
Second Step of Autopsy
Make y-shaped incision
Time of Death Determined with Eye Fluids?
vitreous potassium levels increase (amount of it can determine)
Which sex has fusion of the sutures first?
How many bones found in an adult?
How many bones in a newborn?
Body temp is taken in _______ after death
What is the ventral arc of a female?
more than 90
What does it mean when diatoms are found in bone marrow?
The victim drowned
What does it mean when diatoms are ONLY found in the lungs?
Water entered the lungs after death
toward the head
toward the feet
part of the body closer to the trunk
part of the body farther away from the trunk
head, neck, trunk
limbs, attached to axis
divides the body into left and right planes
divides the body into equal halves at the midline
divides the body into anterior and posterior sections
divides the body into superior and inferior sections
Cause of Death Determined by Eye Fluids?
can be tested for drugs
outer (more for skin and other things on the outside)
inner (more for organs)
surgical operation performed on a dead body
Why Perform an Autopsy?
when there's suspicion of foul play, or public health concern
Where are Autopsies Performed?
hospital, coroner's office, or medical examiner's office
Who Performs Autopsies?
Pathologists & medical examiners
develop in tendons
Best Bone to Determine Race
Best Bone to Determine Sex
Best Bones to Determine Height
Femur and Radius (femur is the best overall)
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THIS SET IS OFTEN IN FOLDERS WITH...
IVP4 - Post Mortem Change & Incidental Findings
*Chapter 11: Death: Livor Mortis/Rigor Mortis
Chap 10: Rigor Mortis