CTICasesQuadricuspid Aortic Valve
Imaging findings
Cardiac CT cine imaging shows a quadricuspid aortic valve with four distinct sinuses of Valsalva and four cusps. Incomplete coaptation of the valve leaflets is visible during diastole, indicating aortic regurgitation.
Key takeaways
Quadricuspid aortic valve is an extremely rare congenital cardiac anomaly. It is clinically significant because it predisposes patients to progressive aortic valve dysfunction, most commonly aortic regurgitation, rather than aortic stenosis.
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