Rare diseases · Sign or symptom

Coronary artery atherosclerosis

Plaque build-up in arteries supplying blood to heart

HP:0001677

What it means

Reduction of the diameter of the coronary arteries as the result of an accumulation of atheromatous plaques within the walls of the coronary arteries, which increases the risk of myocardial ischemia.

Coronary artery disease, also called atherosclerotic heart disease, is the result of atheromatous plaques within the coronary arteries leading to myocardial ischemia and infarction.

In everyday care

Most people with this sign do not have a rare disease — it appears in common conditions far more often. These general reference pages cover the same topic:

Rare diseases that can present with this21

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions, and Orphanet separately records 1 disease where this sign is specifically absent. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Coronary atherosclerosis · Coronary disease

Coronary artery atherosclerosis

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.