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Updated: Jan 4, 2026

Biaxial Mechanical Characterizations of Atrioventricular Heart Valves
Published on: April 9, 2019
Quadricuspid Aortic Valve: Three Cases Report and Literature Review
Elinthon Tavares Veronese1, Carlos Manuel de Almeida Brandão1, Samuel Padovani Steffen1
1Universidade de São Paulo Faculdade de Medicina Hospital das Clínicas São Paulo SP Brazil Cardiovascular Surgery Division, Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (InCor-HCFMUSP), São Paulo, SP, Brazil.
Abstract:
Quadricuspid aortic valve (QAV) is a rare cardiac malformation. Many cases are incidentally diagnosed in aortic surgeries or autopsies and it usually appears as an isolated anomaly. The most widely classification used is the one by Hurwitz and Roberts[], which divides 7 alphabetical subtypes based on the cusps size. The aim of this report is to describe three different anatomic presentations of this rare aortic valve anomaly.
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