Pulmonary Valve Insufficiency

Incompetence, Pulmonary; Incompetence, Pulmonary Valve; Insufficiency, Pulmonary; Insufficiency, Pulmonary Valve; Pulmonary Insufficiency; Pulmonary Valve Regurgitation; Regurgitation, Pulmonary; Regurgitation, Pulmonary Valve
Backflow of blood from the pulmonary artery into the right ventricle, owing to imperfect functioning of the pulmonary valve.