Coronary Heart Disease (CHD)
CHD is a non specific term for syndromes where there is decreased blood flow to the heart. The coronary artery supplies the heart with nutrients. It branches from the ascending aorta and encircles the heart like a crown.
A heart attack is caused when there is a complete obstruction of the coronary artery, tissue distal to the obstruction dies and is replaced by non-contractile tissue.
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