Dr. K K Aggarwal, President Heart Care Foundation of India and Group Editor in Chief MEDtalks, will discuss about ASD surgery in this video. He will discuss the case about atrial septal defect. He will further discuss whether such patients require angiography before the surgery. There are two conditions whether the patient has coronary artery disease or undergoing device surgery in presence of pulmonary arterial hypertension. Angiography is required in such cases if there is a device surgery with pulmonary arterial hypertension.