Coronary heart disease and Coronary artery disease

Coronary heart disease noun - A heart disease due to an abnormality of the arteries that supply blood and oxygen to the heart.

Coronary artery disease and coronary heart disease are semantically related. In some cases you can use "Coronary artery disease" instead a noun phrase "Coronary heart disease".

Coronary artery disease noun - A stage of arteriosclerosis involving fatty deposits (atheromas) inside the arterial walls, thus narrowing the arteries.

Coronary heart disease and coronary artery disease are semantically related. You can use "Coronary heart disease" instead a noun phrase "Coronary artery disease".