Sinuses of Valsalva — RCIS Exam Glossary

The aortic root consists of three localized dilations in the aortic wall situated just superior to the semilunar leaflets of the aortic valve: the left coronary sinus, the anterior (right) coronary sinus, and the right posterior (non-coronary) sinus.

Short-axis view of the aortic root showing the three sinuses of Valsalva arranged around the left ventricular outflow tract lumen: the left coronary sinus, the anterior or right coronary sinus, and the right posterior non-coronary sinus, which gives rise to no coronary branches. — The three aortic sinuses in short axis — and the one that has no coronary.

Domain: Cath Lab Anatomy & Hemodynamics · Blueprint: RCIS exam guide

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Written and reviewed by John-Philip (JP) Maarschalk, BSN, RN, CNML — a nurse manager who runs operations for the cardiac cath lab, electrophysiology, and interventional service lines at an academic health system in North Carolina. He hires and develops the staff who sit for these exams. More about JP and how this content is made →

Cardiac Codex is an independent study tool published by MdoubleA LLC, not affiliated with or endorsed by CCI or any certifying body. This glossary entry is exam-preparation information, not medical advice or a substitute for clinical judgment. Always verify current clinical practice against primary sources and institutional protocol.