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Vol 63, No 11 (2005)
Other
Published online: 2005-11-18
Submitted: 2012-12-28
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Invasive electrophysiology
RF ablation in a patient with recurrent post-infarction ventricular tachycardia requiring multiple cardioverter-defibrillator interventions

Jacek Kuśnierz, Łukasz Szumowski, Łukasz Pastwa, Aleksander Bardyszewski, Bogdan Lech, Robert Gil, Franciszek Walczak
Kardiol Pol 2005;63(11):563-568.

open access

Vol 63, No 11 (2005)
Other
Published online: 2005-11-18
Submitted: 2012-12-28

Abstract

A case of a 51 year old patient with a history of myocardial infarction (MI) and recurrent ventricular tachycardia (VT) is presented. Three months after MI the patient underwent coronary angioplasty and one year later received prophylactic implantable cardioverter-defibrillator (ICD) due to complex ventricular arrhythmias, detected on Holter ECG monitoring, and depressed left ventricular ejection fraction. Later on the patient started to experience palpitations and ICD shocks during physical activity (cycling). Interrogation of the ICD memory showed appropriate shocks due to slow (160 betas/min) VT. The device was reprogrammed and new antitachycardia pacing (ATP) algorithms were enabled, however, it occurred proarrhythmic due to the ATP-induced acceleration of VT rate. Finally, in April 2005 he received 37 appropriate ICD shocks during a few hours. The patient was selected for RF ablation and underwent successful procedure with the use of the electro-anatomical CARTO mapping system.

Abstract

A case of a 51 year old patient with a history of myocardial infarction (MI) and recurrent ventricular tachycardia (VT) is presented. Three months after MI the patient underwent coronary angioplasty and one year later received prophylactic implantable cardioverter-defibrillator (ICD) due to complex ventricular arrhythmias, detected on Holter ECG monitoring, and depressed left ventricular ejection fraction. Later on the patient started to experience palpitations and ICD shocks during physical activity (cycling). Interrogation of the ICD memory showed appropriate shocks due to slow (160 betas/min) VT. The device was reprogrammed and new antitachycardia pacing (ATP) algorithms were enabled, however, it occurred proarrhythmic due to the ATP-induced acceleration of VT rate. Finally, in April 2005 he received 37 appropriate ICD shocks during a few hours. The patient was selected for RF ablation and underwent successful procedure with the use of the electro-anatomical CARTO mapping system.

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Keywords

ventricular tachycardia; implantable cardioverter-defibrillator; RF ablation

About this article
Title

Invasive electrophysiology
RF ablation in a patient with recurrent post-infarction ventricular tachycardia requiring multiple cardioverter-defibrillator interventions

Journal

Kardiologia Polska (Polish Heart Journal)

Issue

Vol 63, No 11 (2005)

Pages

563-568

Published online

2005-11-18

Bibliographic record

Kardiol Pol 2005;63(11):563-568.

Keywords

ventricular tachycardia
implantable cardioverter-defibrillator
RF ablation

Authors

Jacek Kuśnierz
Łukasz Szumowski
Łukasz Pastwa
Aleksander Bardyszewski
Bogdan Lech
Robert Gil
Franciszek Walczak

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