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Angina Pectoris Information
Angina Pectoris definetion
Angina pectoris is usually due to atherosclerotic heart disease. Coronary vasospasm may occur at the site of a lesion or, less frequently, in apparently normal vessels. Other unusual causes of coronary artery obstruction such as congenital anomalies, emboli, arteritis, or dissection may cause ischemia or infarction. Angina may also occur in the absence of coronary artery obstruction as a result of severe myocardial hypertrophy, severe aortic stenosis or regurgitation, or in response to increased metabolic demands, as in hyperthyroidism, marked anemia, or paroxysmal tachycardias with rapid ventricular rates. Rarely, angina occurs with angiographically normal coronary arteries and without other identifiable causes. This presentation has been labeled syndrome X and is most likely due to inadequate flow reserve in the resistance vessels (microvasculature). Although treatment is often not very successful in relieving symptoms, the prognosis of syndrome X is good.
Clinical Findings of Angina Pectoris
History of Angina Pectoris
The diagnosis of angina pectoris depends principally upon the history, which should specifically include the following information.
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