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Balloon valvotomy is used to increase the opening of a narrowed (stenotic) valve. It is used for: Select patients who have mitral valve stenosis with symptoms Older patients who have aortic valve stenosis, but are not able to undergo surgery Some patients with pulmonic valve stenosis This balloon valvotomy procedure can be performed on the mitral, tricuspid, aortic or pulmonary valves.

Electrophysiology Studies (EPS) are tests that help doctors understand the nature of abnormal heart rhythms (arrhythmias). Quick facts. Electrophysiology studies test the electrical activity of your heart to find where an arrhythmia (abnormal heartbeat) is coming from. A cardiac electrophysiology study is a minimally invasive procedure that tests the electrical conduction system of the heart to assess the electrical activity and conduction pathways of the heart.