Critical care clinics
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This article discusses the approach to the management of myocardial infarction (MI) in the intensive care unit setting. It includes an overview of the definition, classification, and underlying pathologic conditions of acute MI and specifically discusses the diagnosis and management of unstable angina, non-ST elevation MI, and ST-segment elevation MI. Diagnosis and treatment of the acute complications of MI are also reviewed.
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Cardiogenic shock remains a leading cause of mortality despite advances in the treatment of myocardial infarction and advanced heart failure. Medical therapy can be inadequate, and patients may need mechanical circulatory support (MCS). The proper application of MCS requires knowledge of the underlying cause of acute heart failure, familiarity with the circulatory support devices, and the potential benefits and limitations of device therapy. This article describes the most commonly used temporary ventricular assist devices and their use in the various causes of cardiogenic shock.