Acute Coronary Syndrome

Acute coronary syndrome (ACS) is a condition (set of signs and symptoms) caused by reduced blood flow in the coronary arteries, so that part of the heart muscle can not function properly or die. Chest pain is the most common symptom, frequently radiating to the left shoulder or jaw line, squeezing, central and combined with sweating and nausea. Some people with acute coronary syndromes have symptoms other than chest pain , particularly women, older patients and diabetes mellitus patients. Acute coronary syndrome is commonly associated with three clinical manifestations, named for electrocardiogram ( ECG) appearance: ST myocardial infarction elevation (STEMI, 30%), non-ST myocardial infarction elevation (NSTEMI, 25%), or unstable angina (38 per cent). There may be some variance about the classification of causes of myocardial infarction ( MI) under acute coronary syndrome.