Practical Reviews

Anomalous Origin of RCA From Left Sinus With a High Interarterial Course Is Worse

Background: Anomalous origin of the right coronary artery (RCA) from the left coronary sinus (AORL) with an interarterial course between the aorta and the pulmonary trunk may be associated with myocardial ischemia. The authors hypothesize whether the hemodynamic significance of AORL differs by the location of the anomalous RCA ostium. A high ostium located above the pulmonary valve would be more compressed because during systole, blood is forced into the aorta and pulmonary artery more...
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