Angina Dictionary

fibrillation: Abnormally rapid heart muscle contractions that interfere with heart rate rhythms.

heart attack: Insufficient blood supply to the heart muscle results in the death of heart muscle tissue, or a heart attack. Heart attacks are most often triggered by a blockage in one of the coronary arteries.

heart failure: Describes any condition where the heart is unable to pump sufficient oxygenated blood to the rest of the body.

heart rate: The number of times the heart beats in a minute.

Holter monitor: A portable device that measures the heart's electric activities over the course of a day.