Definition of Septal defect, atrial (ASD)
Septal defect, atrial (ASD): A hole in the septum, the wall, between the atria, the upper chambers of the heart. Commonly called an ASD. ASDs are a major class of heart deformity that is present at birth (congenital cardiac malformation).
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=5450
Last Editorial Review: 6/14/2012
Drug Medical Dictionary of Terms by Letter
Medical Dictionary Term:
Heart Health
Get the latest treatment options.
Updated & New
