Q1. Define fever or pyrexia.
Ans. It is defined as gradual raise in the body temperature above the normal temperature 98.6ºF [37ºC].
Q2. Define angina pectoris.
Ans. It is the name given to paroxysms of severe chest pain; they are caused by higher myocardial oxygen demands. The usual underlying cause is coronary atherosclerotic plaques that ruptures.
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