Abstract
Cardiogenic shock is the deadliest complication of acute ST-elevation myocardial infarction. Prompt recognition and intervention are critical for patient survival. The diagnosis of cardiogenic shock is primarily a clinical one based on signs and symptoms of low cardiac output and heart failure, and can be confirmed with placement of a pulmonary arterial catheter. Vasopressor and inotropic therapies are typically required, and in severe cases, an intra-aortic balloon pump can provide additional haemodynamic support. Although mortality for cardiogenic shock associated with ST-elevation myocardial infarction remains high, early reperfusion strategies primarily via percutaneous coronary intervention or coronary artery bypass graft surgery have led to improved outcomes.
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