Atrial Septal Defect (ASD) Closure in Lucknow – Dr. (Col) Ajay Bahadur An Atrial Septal Defect (ASD) is a hole in the wall between the upper chambers of the heart. If left untreated, it can lead to breathlessness, fatigue, heart enlargement, and even heart failure. Dr. (Col) Ajay Bahadur, one of the leading cardiologists in Lucknow, offers advanced ASD closure using minimally inva... https://drajaybahadur.com/atrial-septal-defect-asd-closure/