CASE REPORT

Catheter Ablation of Accessory Pathway in the Treatment of Pacemaker-Mediated Tachycardia

Corresponding Author

ROGELIO ROBLEDO-NOLASCO M.D.

Electrophysiology Division, National Medical Center 20 de Noviembre, ISSSTE, Mexico D.F.

Address for reprints: Rogelio Robledo-Nolasco, M.D., Chief of the Electrophysiology Department, National Medical Center 20 de Noviembre, Felix Cuevas 540, Colonia Del Valle 03229, Mexico D.F. Fax: 52 55 52003483; e-mail: [email protected]Search for more papers by this author

MARTIN ORTIZ-AVALOS M.D.,

MARTIN ORTIZ-AVALOS M.D.

Electrophysiology Division, National Medical Center 20 de Noviembre, ISSSTE, Mexico D.F.

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GERARDO RODRIGUEZ-DIEZ M.D.,

GERARDO RODRIGUEZ-DIEZ M.D.

Electrophysiology Division, National Medical Center 20 de Noviembre, ISSSTE, Mexico D.F.

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HUMBERTO CASTRO-VILLACORTA M.D.,

HUMBERTO CASTRO-VILLACORTA M.D.

Electrophysiology Division, National Medical Center 20 de Noviembre, ISSSTE, Mexico D.F.

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ROGELIO ROBLEDO-NOLASCO M.D.,

Corresponding Author

ROGELIO ROBLEDO-NOLASCO M.D.

Electrophysiology Division, National Medical Center 20 de Noviembre, ISSSTE, Mexico D.F.

MARTIN ORTIZ-AVALOS M.D.,

MARTIN ORTIZ-AVALOS M.D.

Electrophysiology Division, National Medical Center 20 de Noviembre, ISSSTE, Mexico D.F.

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GERARDO RODRIGUEZ-DIEZ M.D.,

GERARDO RODRIGUEZ-DIEZ M.D.

Electrophysiology Division, National Medical Center 20 de Noviembre, ISSSTE, Mexico D.F.

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HUMBERTO CASTRO-VILLACORTA M.D.,

HUMBERTO CASTRO-VILLACORTA M.D.

Electrophysiology Division, National Medical Center 20 de Noviembre, ISSSTE, Mexico D.F.

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First published: 28 September 2011

https://doi.org/10.1111/j.1540-8159.2011.03217.x

Citations: 3

Disclosures: None.

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Abstract

Pacemaker-mediated tachycardia (PMT) remains a clinical problem in patients with dual-chamber pacemaker despite technological advances. The onset mechanism of this tachycardia is sensing of retrograde atrial activation after ventricular stimulation. Repeated retrograde conduction perpetuates tachycardia. Postventricular atrial refractory period prolongation has been used for prevention of PMT, but this is not the solution in all cases. We present a case with PMT where the retrograde limb is a left accessory pathway, which is treated with radiofrequency ablation successfully. PACE 2012; 35:e84–e86)

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Volume35, Issue4

April 2012

Pages e84-e86

Catheter Ablation of Accessory Pathway in the Treatment of Pacemaker-Mediated Tachycardia

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Catheter Ablation of Accessory Pathway in the Treatment of Pacemaker-Mediated Tachycardia

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