B4.074 Myocardial Infarction Flashcards
1
Q
normal troponin level
A
less than 0.01 ng/mL
2
Q
what does troponin elevation indicate
A
injury to myocardium
level of rise and duration of sustained rise correlate with amount of myocardial involvement
3
Q
reasons for high troponin
A
AMI viral myocarditis inflamm myocarditis defibrillation sustained tachycardia high speed chest trauma
4
Q
lateral MI leads
A
I, aVL, V5, V6
5
Q
inferior MI leads
A
II, III, aVF
6
Q
septal MI leads
A
V1, V2
7
Q
anterior MI leads
A
V3, V4
8
Q
MONABASH
A
M- morphine for pain O- oxygen N- nitroglycerin IV for pain A- aspirin to reduce clotting B- B blocker to slow HR A- ACEI S- statin H- heparin
9
Q
what factors contribute to decision on what to do for immediate intervention?
A
candidacy for TPA tolerance of antiplatelets number of critical lesions number of vessels involved clinical stability
10
Q
CAD risk factors
A
diabetes smoking HTN hyperlipidemia fam history male gender
11
Q
what is angina
A
chest pain or discomfort due to CAD
12
Q
chronic stable angina
A
brought on by exertion and resolving with rest or nitro
less than 15 min
13
Q
angina associated with MI
A
does not improve with rest
does not resolve with nitro
lasts more than 15 min
14
Q
GI symptoms in MI
A
classic for inferior AMI
15
Q
left arm pain in MI
A
lateral involvement of AMI
