Widening of a stenosed HEART VALVE by the insertion of a balloon CATHETER into the valve and inflation of the balloon.

Synonyms: Balloon Valvotomies, Balloon Valvuloplasty, Valvotomies, Balloon, Balloon Valvotomy, Balloon Valvuloplasties, Valvuloplasty, Balloon, Valvotomy, Balloon, Valvuloplasties, Balloon