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What causes angina?

Angina is caused by the narrowing of the coronary arteries and the resulting reduction in blood supply, and therefore oxygen supply, to the heart muscle. The lack of oxygen causes stress to the heart muscle cells, which results in pain (angina). It is often caused by atherosclerosis, which is when plaques made mainly of fat and cholesterol build up on the artery walls, causing them to harden and narrow.

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Author: Jonathan Meddings BMedLabSc (Hons)
First answered: 23 Sep 2014
Last reviewed: 14 May 2019
Rating: 4.8 out of 5
Votes: 386 (Click smiley face below to rate)
Category: Chest pain

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