Pinhole Device Closures for Hole in Heart in Lucknow – Dr. (Col) Ajay Bahadur A hole in the heart (such as ASD, VSD, or PDA) can cause serious heart problems if not treated in time. The latest advancement in cardiology is the pinhole device closure technique, which closes the hole without the need for open-heart surgery. Dr. (Col) Ajay Bahadur, one of the leading interventional ca... https://drajaybahadur.com/heart-disease-treatment-in-lucknow/