Heart, section through the middle
Heart, section through the middle
Heart, front view
Heart, front view

Pulmonary atresia

Definition:
Pulmonary atresia is a type of congenital heart disease that involves severe narrowing or complete obstruction of the pulmonary valve (the valve that guards the exit of the right ventricle).

Alternative Names:

PA



Causes, incidence, and risk factors:
There is no known cause of Pulmonary atresia. It is extremely rare.

Review Date: 5/4/2002
Reviewed By: Satish K. Rajagopal, M.D., Department of Pediatrics, Columbia Presbyterian Medical Center, The Children's Hospital of New York, New York, NY. Review provided by VeriMed Healthcare Network.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org). URAC's accreditation program is the first of its kind, requiring compliance with 53 standards of quality and accountability, verified by independent audit. A.D.A.M. is among the first to achieve this important distinction for online health information and services. A.D.A.M. is also a founding member of Hi-Ethics (www.hiethics.com) and subscribes to the principles of the Health on the Net Foundation (www.hon.ch).

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 2003 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.