Left Ventricular - Right Atrial Communication (Gerbode type defect)

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Cardiology

Case description

A Gerbode -type defect is a ventricular septal defect communicating directly between the left ventricle and right atrium. It is usually congenital, but rarely is acquired, as a complication of endocarditis. This can be anatomically possible because the normal tricuspid valve is more apically displaced than the mitral valve. In this disease the blood in the left ventricle goes through the small area of the membranous septum where there is the potential for a left ventricular-to-right atrial shunt. This communication is above the tricuspid valve. Video by Maged Al Ali MD.

Mateusz Mościński
Editor

Mateusz Mościński

MD, PhD.

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