The names of the major coronary arteries are well known. However, the nomenclature of the secondary coronary arteries can be confusing. Familiarity with the names of these vessels is useful when reading coronary angiogram reports, having discussions with your interventionalist, and doing follow-up.

Coronary artery naming convention

Diagramming the coronary anatomy allows you to track lesions, stenting, grafts, size size/variation of native arteries.