child heart specialist in bhagalpur Dr Birendra Kumar is the best child heart specialist in bhagalpur.When your baby’s heart beats too fast, too slow or irregularly your baby’s body will not receive sufficient blood. This can damage all organs including the heart. Arrhythmia has many causes including congenital heart defects, certain infections, chemical imbalances or use of certai... https://medifortwellnesshospital.com/