Definition of Pulmonary insufficiency

Pulmonary insufficiency: A condition in which the valve between the right ventricle of the heart and the pulmonary artery is incompetent in its performance, allowing blood to slosh back from the pulmonary artery into the right ventricle.


Last Editorial Review: 3/19/2012

Search MedTerms:


Back to MedTerms online medical dictionary A-Z List
Pill Identifier Tool

Need help identifying pills and medications?
Use the pill finder tool on RxList.