realized in has material basis at all times has occurrent part retrograd blood flow through pulmonary valve during right ventricular diastole pulmonary valve improper close during right ventricular diastole pulmonary valve disorder pulmonary valve insufficiency DOID:11210 disease_ontology pulmonary incompetence, non-rheumatic (disorder) A disease in which an abnormal structure in a pulmonary valve prevents it to close propertly during diastole, occasioning a retrograd blood flow through the valve. pulmonary insufficiency following trauma and surgery pulmonary regurg. ICD9CM:518.5 pulmonary regurgitation Pulmonic valve regurgitation (disorder) Pulmonic insufficiency NOS UMLS_CUI:C0034076 A pulmonary valve disease that occurs when the pulmonary valve is not strong enough to prevent backflow into the right ventricle. If it is secondary to pulmonary hypertension it is referred to as a Graham Steell murmur. DOID:14265 pulmonary incompetence disease disease course