Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Pulmonary insufficiency
Medically reviewed by Min Clinic Staff | Updated: January 2026
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.