A procedure performed to open a narrowed heart valve using a thin tube called a catheter with a small balloon at its tip. The catheter is inserted through a small incision in the groin and then threaded up to the opening of the narrowed heart valve. The balloon is then inflated to stretch the valve open and relieve valve obstruction.

Interventional cardiologists (cardiologists who concentrate their efforts on correcting conditions using catheters from inside the blood vessels) can often open up a narrow or stenotic valve by blowin [..]

Widening of a stenosed Heart Valve by the insertion of a balloon Catheter into the valve and Inflation of the balloon.