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The signs and symptoms of acute coronary syndrome, which usually begin abruptly, include the following: Chest pain (angina) or discomfort, often described as aching, pressure, tightness or burning. Pain radiating from the chest to the shoulders, arms, upper abdomen, back, neck or jaw. Nausea or vomiting. Indigestion.
Acute coronary syndrome. Acute coronary syndrome (ACS) is a broad term used to describe a spectrum of clinical presentations which result from coronary artery disease and cause a sudden reduction in myocardial perfusion. From: Advances in Clinical Chemistry, 2017. Related terms: Coronary circulation; Thrombosis; Cardiovascular disease; Myocardial infarction