Cardiovascular system deaths are _____% of the total unexpected natural deaths
53%
Respiratory system deaths are ____% of total unexpected natural deaths
18%
Central nervous system deaths are ___% of total unexpected natrual deaths
12%
Sudden and unexpected natural death in adults may account for up to ___% of the autospy caseload at the MEs office
50%
Is toxicology analysis required in all cases?
yes it is! Need to determine died of a particular disease as apposed to died with a particular disease
Sudden death
Occurs within minutes of onset of symptoms
often dead
unexpected death
May occur in individual with significant natural disease but the death was not expected at that time
What are the three most common systems involved in sudden unexpected natural death
1. cardiovascular system
2. respiratory system
3. central nervous system
With atherosclerotic cardiovascular disease there is often _____history
No history of previously diagnosed coronary disease
in Atherosclerotic coronary artery disease symptoms may be:
indigestion or abdominal pain
back, shoulder or neck pain
antacid tablets commonly found at the scene
ASCAD common findings
Most common is at least 1 coronary artery with at least 75% stenosis
Thrombosis in lumen of artery (less than 15%)
May or may not have: myocardial tissue damage- myocardial fibrosis, acute myocardial necrosis
T/F The finding of severe atherosclerotic coronary artery disease rules out death due to other causes
Faaaalse
Cause of death of ASCAD
Cause- cardiac arrhythmia due to severe atherosclerotic coronary artery disease or atherosclerotic cardiovascular disease.
ASCAD mechanism of death
cardiac arrhythmia
ventricular fibrilllation
Atherosclerotic disease of the aorta
destruction of aortic wall due to atherosclerosis
aorta may rupture- into body cavity or into pericardial cavity
In disease of the aorta: aortic dissection findings include blood from the lumen gains access to the wall of aorta through an ____
blood separates the layers of the aortic call for a distance
blood may rupture out at a site________________
intimal tear
distant from the tear of the intimal surface
Hypertensive cardiovascular disease
Hypertrophy of muscle of heart due to increased work-load
Hypertensive cardiovascular disease usually accompanied by:
atherosclerotic coronary artery disease
In hypertensive cardiovascular disease the weight of the heart is increased above ____
350gm
In hypertensive cardiovascular disease:
myocytes may have enlarged nuclei
may be associated changes in the kidney
The mechanism of death for hypertensive cardiovascular disease:
