Endocardial Cushion Defect
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Effects and Treatments

The affects of Endocardial Cushion Defect depend on the degree of tissue formation. Please see the discussions of the three major types of this disorder (Atrial Septal Defect, Ostium Primum type, Atrioventricular Septal (or Canal) Defect, Partial, and Atrioventricular Septal (or Canal) Defect, Complete) for summaries of the affects and methods of treatment.

Atrial Septal Defect
Atrial Septal Defect (Ostium Primum Type)
Hole in the lower atrial septum
Atrioventricular Canal Partial
Atrioventricular Canal Defect (AVC) - Partial

Atrial Septal Defect (ostium primum type) plus a cleft or deformity in the mitral valve
Atrioventricular Canal Complete
Atrioventricular Canal Defect (AVC) - Complete

Atrial Septal Defect (ostium primum type), one common atrioventricular valve, plus a hole in the upper ventricular septum (Ventricular Septal Defect, or VSD)