Atrial septal defect ostium primum: Difference between revisions
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==Overview== | ==Overview== | ||
An '''ostium primum defect''' or '''endocardial cushion defect''' usually occurs due to the failure in fusion of the septum primum with the endocardial cushion. This defect is commonly associated with other cardiac anomalies in the septum such as [[ventricular septal defect]] and [[atrioventricular septal defect]]. | An '''ostium primum defect''' or '''endocardial cushion defect''' usually occurs due to the failure in fusion of the septum primum with the endocardial cushion. This defect is commonly associated with other cardiac anomalies in the septum such as [[ventricular septal defect]] and [[atrioventricular septal defect]].The abnormalities of the atrioventricular valves include the cleft mitral valve, and the single atrioventricular valve (a single large, deformed valve that flows into both the right ventricle and the left ventricle). | ||
==[[Ostium primum atrial septal defect anatomy|Anatomy of an Ostium Primum Defect]]== | ==[[Ostium primum atrial septal defect anatomy|Anatomy of an Ostium Primum Defect]]== | ||
Revision as of 20:50, 31 August 2011
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [[2]]; Cafer Zorkun, M.D., Ph.D. [3]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [4]
For a full discussion on atrial septal defects click here.
Overview
An ostium primum defect or endocardial cushion defect usually occurs due to the failure in fusion of the septum primum with the endocardial cushion. This defect is commonly associated with other cardiac anomalies in the septum such as ventricular septal defect and atrioventricular septal defect.The abnormalities of the atrioventricular valves include the cleft mitral valve, and the single atrioventricular valve (a single large, deformed valve that flows into both the right ventricle and the left ventricle).