A 67-year-old man with documented acute MI progresses in 24 hours to cardiogenic shock. The following is/are true:
A.	The mortality rate for cardiogenic shock after acute MI is increased more than 10 fold in comparison to no shock
B.	Age, ejection fraction, MI size and previous MI serve as predictors of cardiogenic shock
C.	Acute loss of more than 20% of myocardium frequently results in cardiogenic shock and death
D.	Emergency revascularization is contraindicated for the MI patient in cardiogenic shock
Answer:A
A 67-year-old man with documented acute MI progresses in 24 hours to cardiogenic shock. The following is/are true:
A.	The mortality rate for cardiogenic shock after acute MI is increased more than 10 fold in comparison to no shock B.	Age, ejection fraction, MI size and previous MI serve as predictors of cardiogenic shock C.	Acute loss of more than 20% of myocardium frequently results in cardiogenic shock and death D.	Emergency revascularization is contraindicated for the MI patient in cardiogenic shock