An electrophysiology study (EPS) is a detailed evaluation of the electrical activity in your heart. Cardiac catheters and computers are used to create electrocardiogram (ECG) tracings and electrical measurements from inside your heart.
During the test, your cardiologist may safely reproduce your abnormal heart rhythm, then give you medications to see which one best controls the rhythm.
Your cardiologist uses the EP study to:
- Find out what is causing your abnormal heart rhythm (also called arrhythmia)
- Determine where in your heart the abnormal heart rhythm begins
- Decide which treatment is best for your abnormal heart rhythm