Leading cause of death in patients with ACS who reach the hospital alive
Myocardial infarction
Pump failure
Mechanical complications
Acute mitral regurgitation (papillary muscle rupture)
VSD
Free-wall rupture
RV infarction
Decreased forward flow
Sepsis
Rate-related
Bradycardia
Tachycardia
Myocarditis
Myocardial contusion
Cardiomyopathy
Mechanical obstruction to forward flow
Aortic stenosis
HOCM
Mitral stenosis
Pericardial
LV regurgitation
Chordal rupture
Aortic Insufficiency
Toxic/metabolic
Severe acidosis, severe hypoxemia
Pump failure
Mechanical complications
Acute mitral regurgitation (papillary muscle rupture)
VSD
Free-wall rupture
Sepsis
Rate-related
Bradycardia
Tachycardia
Myocarditis
Myocardial contusion
Cardiomyopathy
Bradycardia
Tachycardia
Aortic stenosis
HOCM
Mitral stenosis
Pericardial
Chordal rupture
Aortic Insufficiency
Severe acidosis, severe hypoxemia
Cardiogenic shock
Cardiogenic
Undifferentiated shock 
Acute valvular Regurgitation/VSD
Undifferentiated shock
CHF
Neurogenic shock
Dysrhythmia