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Abstract
Ischaemic heart disease (DID) is one of the most common diseases in the world. Angina pectoris, literally, ”strangling” in the chest is a syndrome of recurrent discomfort in the chest or related areas associated with myocardial ischaemia or dysfunction but without myocardial necrosis. Characteristically, the discomfort is produced by exertion and is promptly relieved by rest and nitroglycerin. Some of the characteristic terms used to describe the discomfort include pressure, tightness, constricting, dull, fullness, burning, swelling, ache, like a vise, and like a toothache. It usually lasts 1 to 15 minutes and is located in the retrosternal area but may radiate to, or be confined to the jaw, throat, shoulder, back, or the left (minus frequently the right) ann or wrist.m
Stable and unstable angina:
Angina pectoris is said to be stable when there has been no
change in the frequency, severity, duration, precipitating factors,