Atrial septal defect cardiac catheterization

Diagnostic cardiac catheterization is usually not done in uncomplicated ASDs as non-invasive methods like echocardiography can diagnose atrial septal defects with confidence. However, they are used in certain conditions like- Coronary artery disease assessment in patients who are at risk due to age or family history Catheterization nowdays are done along with device closure in patients who are planned for surgical intervention It is used to assess pulmonary vascular resistance in cases with pulmonary artery hypertension It can also be used to evaluate ASD size, pulmonary venous return, and associated valvular disease in case the other noninvasive methods are inconclusive.