obsolete anomalous aortic origin of the left coronary artery https://github.com/monarch-initiative/mondo/issues/4776 https://github.com/monarch-initiative/mondo/issues/7693 https://www.malacards.org/card/anomalous_aortic_origin_of_the_left_coronary_artery true OBSOLETE. A rare coronary artery congenital malformation characterized by an anomalous origin and course of the left coronary artery, which originates from the right aortic sinus of Valsalva and has an abnormal proximal course, which may be intramural, prepulmonic, subpulmonic, retroaortic, retrocardiac or wrapped around the apex. Patients are frequently asymptomatic, although chest pain, dyspnea, palpitations, dizziness, syncope, and sudden cardiac arrest/death (typically following intense physical exertion) may be observed. This malformation is associated with a high risk of sudden cardiac death so surgical revascularization is recommended even in cases with no associated evidence of myocardial ischemia. [Orphanet:541443] Orphanet:541443 ICD10CM:Q24.5 MONDO:0035249