Radiofrequency (RF) Catheter Ablation
After an EP study, RF catheter is inserted into a blood vessel and guided into the heart to pinpoint the source of the abnormal electrical signals. These catheters used to deliver a low-voltage, high-frequency current that destroys the heart tissue responsible for the arrhythmia. Majority of the patients who have undergone catheter ablation experience either: (a) return to normal heart rhythm, or (b) long term reduction in the number of episodes of arrhythmia and the severity of symptoms. This means that medicines for controlling heart rate or rhythm may be stopped or reduced following successful catheter ablation.