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What are coronary heart diseases (CHD)?

April 26, 2017CHD coronary Heart Diseases

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What are coronary heart diseases (CHD)?

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Coronary atherosclerosis refers to the hardening and narrowing of the coronary arteries. The coronary arteries supply the blood that carries oxygen and nutrients to the heart muscle. When coronary arteries are narrowed or blocked by atherosclerosis, they cannot deliver an adequate amount of blood to the heart muscle. Disease caused by the lack of blood supply to heart muscle is called coronary heart disease (CHD). Coronary heart diseases include heart attacks, sudden unexpected death, chest pain (angina), abnormal heart rhythms, and heart failure due to weakening of the heart muscle.