![]() ![]() This can happen if the first procedure doesn’t fully correct the problem. Also, some people who have the procedure may need to have it done again. SCA is a condition in which your heart suddenly stops beating.Ĭatheter ablation alone doesn’t always restore a normal heart rate and rhythm. You have faulty electrical activity in your heart that raises your risk of ventricular fibrillation (v-fib) and sudden cardiac arrest (SCA). (Your doctor can tell you whether catheter ablation can help treat your arrhythmia.) ![]() You can’t tolerate the medicine your doctor has prescribed for your arrhythmia. ![]() The medicines you take don’t control your arrhythmia. Catheter ablation often involves radio-frequency (RF) energy, where radio waves produce heat, destroying the heart tissue. The energy destroys small areas of heart tissue where abnormal heartbeats may cause an arrhythmia to start. A machine sends energy to your heart through one of the catheters. The wires are guided into your heart through the blood vessel. A series of thin, flexible wires are put into a blood vessel. An arrhythmia is a problem with the rate or rhythm of the heartbeat. Catheter ablation is a medical procedure used to treat some types of arrhythmia. ![]()
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