ASD as it is popularly called is the 2nd most common Congenital Heart Defect, accounting for about 7-10% of all patients, and is common among females. It is a defect characterized by hole/communication between both sides of the Atrium. In this defect, there’s left to right shunt (diversion) causing increased Volume in the right Ventricular chamber and pulmonary circulation.



There are 4 types of ASD based on the location





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