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| Ablation Catheter ablation is a procedure that destroys abnormal tissue in the heart wall that causes arrhythmias. During catheter ablation, your physician will insert several special long, flexible tubes with wires - called electrode catheters - into your heart. Some of these are used to study your arrhythmia. However, one of these catheters will be used for the actual ablation. Your physician will position the ablation catheter so that it lies on or very close to the abnormal tissue. High-frequency electrical energy is then delivered through the ablation catheter to this tissue. The small area of heart tissue under the tip of the ablation catheter is heated by this high-frequency energy, destroying the tissue. As a result, this tissue is no longer capable of conducting or sustaining the arrhythmia. |
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