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Heart Diseasehot!Tooltip 02/09/2011 Hits: 18429
Coronary heart disease is the single most common cause of death in the UK. It is the term used to describe the gradual narrowing of the coronary arteries which can lead to angina or a heart attack. The coronary arteries supply the heart muscle with blood and oxygen and can become narrowed by a gradual build-up of fatty material within their walls. This process is called ‘atherosclerosis’ and the fatty material is called ‘atheroma’. In time, the artery may become so narrow that it cannot deliver enough oxygen-containing blood to the heart muscle when its demands are high – such as when you are doing exercise. The pain or discomfort that happens as a result is called angina. The heaviness or tightness is caused by the heart muscle becoming short of oxygen.