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Angina - stable; Angina - chronic; Angina pectoris
Stable angina is chest pain or discomfort that often occurs with activity or stress. Angina is a type of chest discomfort caused by poor blood flow through the blood vessels (coronary vessels) of the heart muscle (myocardium).
See also: Unstable angina
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Your heart muscle is working all the time, so it needs a constant supply of oxygen. This oxygen is provided by the coronary arteries, which carry blood.
When the heart muscle has to work harder, it needs more oxygen. Symptoms of angina occur when the coronary arteries are narrowed or blocked by hardening of the arteries (atherosclerosis), or by a blood clot.
The most common cause of angina is coronary heart disease (CHD). Angina pectoris is the medical term for this type of chest pain.
Stable angina is less serious than unstable angina, but it can be very painful or uncomfortable.
The risk factors for coronary heart disease include:
Anything that makes the heart muscle need more oxygen can cause an angina attack in someone with heart disease, including:
Other causes of angina include:
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Morrow DA, Boden WE. Stable ischemic heart disease. In: Bonow RO, Mann DL, Zipes DP, Libby P, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 9th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 57.
Becker RC, Meade TW, Berger PB, Ezekowitz M, O'Connor CM, Vorchheimer DA, et al. The primary and secondary prevention of coronary artery disease: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition). Chest. 2008;133(6 Suppl):776S-814S.
Serruys PW, Morice MC, Kappetein AP, Colombo A, Holmes DR, Mack MJ, et al. Percutaneous coronary intervention versus coronary-artery bypass grafting for severe coronary artery disease. N Engl J Med. 2009;360:961-972. Epub 2009 Feb 18.
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