Myocardial Infarction Flashcards
1
Q
On EKG, cardiac necrosis is seen as?
A
Q-waves
T-wave inversion = myocardial ischemia
2
Q
What drugs increases survival rate (Decrease mortality) ?
A
Beta blockers
ACEI /ARBs
Aldersterone blockers
3
Q
What is the most frequent mechanism of sudden cardiac death in the first 48 hours after acute MI?
A
Ventricular fibrillation
Electrical instability in the ischemic myocardium
4
Q
Ultrastructure changes would most likely indicate your reversible myocardial cell injury
A
Mitochondrial vacuolation
Permanently on able to generate ATP
5
Q
The major determinant of whether or not a coronary artery plaque will cause ischemic myocardial injury is?
A
The rate at occludes the artery
