catheter ablation
A minimally invasive procedure using radiofrequency energy or cryotherapy delivered through cardiac catheters to destroy arrhythmogenic tissue.
Full Definition
Catheter ablation is a therapeutic procedure performed in the electrophysiology laboratory where specialized catheters are advanced through blood vessels to the heart chambers. Energy sources such as radiofrequency, cryotherapy, or other modalities are then applied to create controlled lesions in cardiac tissue responsible for generating or maintaining arrhythmias. The procedure aims to eliminate abnormal electrical pathways or trigger sites while preserving normal cardiac function. Success rates vary by arrhythmia type, with higher success for supraventricular arrhythmias compared to ventricular arrhythmias.
Usage
Usage note: Specify the energy source (RF, cryo) when relevant; distinguish from surgical ablation approaches.
In Context
- "Catheter ablation was recommended as first-line therapy for the patient's recurrent atrial flutter." — Consultation note
- "Post-procedural care following catheter ablation includes monitoring for vascular complications." — Nursing protocol