umls-concept:C0034088 | skos:definition | MSH: Backflow of blood from the PULMONARY ARTERY into the RIGHT VENTRICLE due to imperfect closure of the PULMONARY VALVE.,NCI: The backflow of blood from the pulmonary artery into the right ventricle, owing to insufficiency of the pulmonic semilunar valve.,NCI: Dysfunction of the pulmonary valve, with incomplete valve closure resulting in valvular regurgitation.,NCI: The backflow of blood from the pulmonary artery into the right ventricle, owing to insufficiency of the pulmonic semilunar valve. | lld:umls |