What is acute coronary syndrome?
A person with acute coronary syndrome has angina symptoms that result from the sudden narrowing of a coronary artery. The narrowed coronary artery reduces the supply of oxygen to the heart, which can trigger angina or a heart attack. ACS is a general term used to describe conditions such as unstable angina and non-Q wave myocardial infarction.

What are the symptoms of acute coronary syndrome?
The most common symptom of acute coronary syndrome is chest pain. Other symptoms include arm pain, jaw pain, nausea, breathing difficulty, excessive sweating, and extreme weakness.

How does the doctor treat acute coronary syndrome?
Acute coronary syndrome is usually treated with some combination of medications and coronary angioplasty.