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Coronary Heart Disease (CHD) CHD, also known as Ischaemic Heart Disease (ischaema - reduction of blood supply to a tissue) is a disease of the two coronary arteries supplying the heart muscles with oxygenated blood and nutrients. CHD causes damage to these arteries by blocking the lumen of the vessels with plaques which leads to damage to the heart as it becomes deprived of oxygen therefore causing the heart tissue to become oxygen starved. The consequence of this is that part of the heart becomes deprived of oxygen and therefore dies as it is being effectively suffocated unless an interconnecting blood vessel can take over the supply. There are two forms of CHD - angina and myocardial infarction. Angina As the coronary arteries are not supplying heart muscle with a sufficient amount of volume they are respiring anaerobically. This causes a build up of lactic acid and the muscle cramps causing pain in the centre...

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