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Definition : Stable Angina pectoris is defined as the chest pain which occurs due to Ischaemia (and hence lack of oxygen) of Heart muscle due to fixed atheromatous stenosis of one or more coronary arteris. Angina pectoris is a symptom(of diseases like Ischaemic heart disease,aortic valve disease,hypertrophic cardiomyopathy) rather than a disease.It can occur anytime whenever there is an imbalance between oxygen supply and demand. Clinical features : Characterised by central chest pain,discomfort or breathlessness. Some patienst experience the pain when start walking and that later it does not return despite of greater effort - Startup Angina. Physical examination includes through search for - evidence of vlave disease (particularlyof aortic valve) Important risk factors (like hypertension,diabetes) left ventricular dysfunction (ex-cardiomegaly,gallop rhythm) Other manifestations of arterial disease (like carotid bruits,peripheral vascular disease) and unrelatd conditions that may exace...