Why the study?
High-takeoff origin of the RCA from the ascending aorta is rare, can pose diagnostic challenges during invasive coronary angiography, and can mimic ostial occlusion.
Population
A 70-year-old woman presenting with intermittent palpitations
Design
Case report
Authors
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High-takeoff RCA may mimic ostial occlusion on angiography; leaves open whether routine CTCA improves diagnostic accuracy in ambiguous cases.
High-takeoff anomalous origin of the right coronary artery from the ascending aorta is a rare diagnostic pitfall during invasive angiography, highlighting the importance of CT coronary angiography for accurate anatomical delineation.
Raj et al. (2026) studied this question.
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