Pulmonary Valve Insufficiency |
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| 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. | |