Quadricuspid aortic valve as seen on ECHO

Quadricuspid aortic valve: a rare congenital cardiac anomaly

Quadricuspid aortic valve by using intraoperative transesophageal echocardiography, Cardiovascular Ultrasound

Kazuhiro HISAMOTO, Cardiac surgeon

Quadricuspid aortic valve associated with idiopathic dilated cardiomyopathy: A case report - ScienceDirect

Quadricuspid aortic valve: Case series and review of literature - Suraci - 2019 - Echocardiography - Wiley Online Library

Sudipta Mondal - TechRxiv

Complications in 50 cases of bicuspid aortic valve endocarditis

Janeway lesions on sole of right foot.

Congenital quadricuspid aortic valve associated with aortic insufficiency and mitral regurgitation, Journal of Cardiothoracic Surgery

Anesthetic Management for Quadricuspid Aortic Valve Repair: Case Report and Literature Review

Holodiastolic flow reversal was seen in the proximal descending

Not So Luck of the Irish: Four-Leaf Clover–Shaped Quadricusp