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Alok Tripathi

All articles by Alok Tripathi

Hospital Medicine

Acute myocardial infarction

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I. Problem/Condition. Overview, pathophysiology and revised universal definition Acute myocardial infarction (AMI), colloquially known as a “heart attack”, is death of myocardial tissue due to protracted ischemia. It is a leading cause of morbidity and mortality in the United States (US) and increasingly even in developing countries. Globally, it accounts for 12 million deaths annually.…

Critical Care Medicine

Chest pain

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Chest Pain I. Problem/Condition. Chest pain accounts for approximately 5 million emergency department visits annually, and can be a difficult diagnostic challenge. II. Diagnostic Approach. A. What is the differential diagnosis for this problem? Cardiac causes of chest pain Ischemia – stable angina, unstable angina, acute myocardial infarction*, coronary artery spasm, aortic stenosis Non ischemia…

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