IPCCC Term COMMON ATRIUM WITH COMMON ATRIOVENTRICULAR JUNCTION
IPCCC Code 05.06.03
ICD-11 Code PENDING
IPCCC Definition A congenital cardiac malformation in which there is complete absence of the interatrial septum in the setting of a common atrioventricular junction (common atrioventricular canal).
The inferior, lateral wall of the right atrial appendage has been cut and folded away demonstrating a common atrioventricular junction that is guarded by a common atrioventricular valve. The superior and inferior bridging leaflets are seen crossing the interventricular septum and the coronary sinus is easily visualized within the inferior right atrium. The entire atrial septum is absent with the red dots marking the roof of the common atrial chamber. There are concordant atrioventricular connections with a morphologically right atrial appendage anteriorly and the narrow opening of the morphologically left atrial appendage viewed through the common atrium along its posterior aspect.
- Content for Echocardiogram
- Content for Computerized Axial Tomography
- Content for Angiography
- Content for Intraoperative Videos