Case: Acute MI Physiology Flashcards
1
Q
Accuracy of chest pain for angina or MI
A
50-60
2
Q
What is key in confirming diagnosis in MI
A
ECG, hx, cardiac biomarkers (troponin, CPK)
3
Q
Most common cause of out of hospital death in pts with a “heart atttack”
A
Vfib
4
Q
CXR
A
Heart size is prognostic indicator
Lungs may show pulmonary vascular congestion
5
Q
Day 1 and 2, 3
of MI by ECG
A
1 - Tall “hyperacute T waves”
2 - may have leftover ST elevation but not so hyperacute
3 - T wave inversion gone but ST may remian elevated
6
Q
Acid-base abnormality from MI
A
Metabolic acidosis due to lactate production, from low CO due to MI and dehydration
7
Q
Causes of Afib in post MI
A
CHF, pericarditis, atrial infarction
8
Q
What could cause elevated liver fx n
A
Statins
