Coronary heart disease

Coronary arteries:

Coronary arteries supply blood to the heart muscle. Like all other tissues in the body, the heart muscle needs oxygen-rich blood to function, and oxygen-depleted blood must be carried away. The coronary arteries run along the outside of the heart and have small branches that supply blood to the heart muscle.

Different coronary arteries:

The 2 main coronary arteries are the left main and right coronary arteries.

Left main coronary artery (LMCA):

The left main coronary artery supplies blood to the left side of the heart muscle (the left ventricle and left atrium). The left main coronary artery divides into branches:

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