Pulmonary Valve Insufficiency

**Definition:** Backflow of blood from the PULMONARY ARTERY into the RIGHT VENTRICLE due to imperfect closure of the PULMONARY VALVE.

**Tree numbers:** - C14.280.484.660

**Synonyms:** - Valve Regurgitation, Pulmonary - Insufficiency, Pulmonary Valve - Valve Insufficiency, Pulmonary - Regurgitation, Pulmonary - Pulmonary Regurgitation - Incompetence, Pulmonary Valve - Valve Incompetence, Pulmonary - Pulmonary Valve Incompetence - Regurgitation, Pulmonary Valve - Pulmonary Valve Regurgitation