Decremental intravenous pulse propagation during extrastimulus pacing: relevance for catheter ablation of focal atrial fibrillation | Zendy

Thorsten Lewalter | Zendy

Open Access

Decremental intravenous pulse propagation during extrastimulus pacing: relevance for catheter ablation of focal atrial fibrillation

Author(s) -

Thorsten Lewalter

Publication year - 2002

Publication title -

ep europace

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.119

H-Index - 102

eISSN - 1532-2092

pISSN - 1099-5129

DOI - 10.1053/eupc.2002.0254

Subject(s) - medicine , atrial fibrillation , coronary sinus , ablation , cardiology , ostium , catheter ablation , catheter , surgery

We report a case study demonstrating delayed circumferential intrapulmonary-venous conduction characteristics during coronary sinus extrastimulus pacing. This phenomenon allowed the unmasking and discrimination of a localized left atrial to PV breakthrough from secondarily activated PV muscle in a common left-sided PV ostium. Thus, this pacing manoeuvre may serve to guide RF delivery in the treatment of focal AF.

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