Catheter Ablation
Catheter Ablation - Related Videos
28:13
Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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Cited by 11 •
2013
Catheter ablation is combined with placement of the WATCHMAN Left Atrial Appendage Closure Device to prevent ischemic stroke in a patient with non-valvular atrial fibrillation.
08:00
Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter
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Cited by 18 •
2015
The goal of this study is to demonstrate the preferential location of transseptal puncture during a cryoballoon catheter ablation procedure for the treatment of atrial fibrillation.
09:13
Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures
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Cited by 51 •
2013
This report provides a detailed description of a new remote navigation system based on magnetic driven forces, which has been recently introduced as a new robotic tool for human cardiac electrophysiology procedures.
11:21
Robotic Ablation of Atrial Fibrillation
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Cited by 12 •
2015
Pulmonary vein isolation (PVI) with an ablation catheter is a curative treatment for atrial fibrillation (AF). Robotic catheter systems aim to improve catheter steerability. Here, a procedure with a new robotic catheter system is presented. The goal of the procedure is electrical block between pulmonary vein and left atrium.
10:46
Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology
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Cited by 4 •
2015
Radiation exposure is an underestimated risk in complex ablation procedures. Here, we describe a protocol to significantly decrease fluoroscopy time and dosage for both the patient and the lab staff by using a novel non-fluoroscopic catheter visualization system.
FAQs
Electrical mapping identifies where abnormal cardiac signals arise or which conduction pathway carries them. Clinicians use this information to distinguish the arrhythmogenic focus from surrounding heart tissue and to select a precise treatment site. Mapping therefore connects the observed rhythm disturbance with the tissue targeted for ablation, helping the procedure interrupt faulty conduction rather than treating the heart diffusely.
The treatment scar acts as an electrical barrier within the heart. By interrupting the faulty conduction responsible for an abnormal rhythm, it can prevent signals from continuing through the arrhythmogenic focus or pathway. This targeted change may allow more regular electrical activity to predominate, which explains how ablation can reduce rhythm-related symptoms or lessen dependence on medication.
Radiofrequency energy and cryotherapy are two energy-delivery approaches used to create precise scars in selected heart tissue. The overview identifies both as established options, but does not specify that one is universally superior. Their shared clinical purpose is to eliminate or interrupt the tissue responsible for abnormal electrical signaling, while ongoing improvements focus on making energy delivery increasingly precise.
The procedure begins with clinicians guiding thin catheters through blood vessels into the heart. They then use electrical mapping to locate the responsible focus or pathway, identify the treatment target, and deliver radiofrequency energy or cryotherapy to that site. This sequence links vascular access, rhythm localization, and targeted tissue treatment in a minimally invasive workflow.
Clinical use includes atrial fibrillation, atrial flutter, and certain tachycardias. These conditions differ in their rhythm patterns, but each may involve abnormal electrical signaling that can be addressed by locating and treating a responsible focus or pathway. Potential outcomes described for patients include more regular heart rhythms, fewer symptoms, or reduced dependence on medication.
Progress in Catheter Ablation is supported by improved mapping systems, imaging, and energy-delivery technologies. These developments are relevant because the procedure depends on locating abnormal electrical tissue and applying treatment precisely. Better tools can advance the way clinicians visualize targets, characterize conduction, and deliver energy, supporting continued refinement of ablation for cardiac arrhythmias.