Successful catheter ablation of a ventricular tachycardia storm originating from the left ventricular posterior papillary muscle involved with a remote myocardial infarction

Takumi Yamada; Paul B. Tabereaux; Harish Doppalapudi; H. Thomas McElderry; G. Neal Kay

doi:10.1007/s10840-008-9327-x

Successful catheter ablation of a ventricular tachycardia storm originating from the left ventricular posterior papillary muscle involved with a remote myocardial infarction

Takumi Yamada, Paul B. Tabereaux, Harish Doppalapudi, H. Thomas McElderry, G. Neal Kay

Research output: Contribution to journal › Article

5 Scopus citations

Abstract

A 61-year-old man with a remote posterior myocardial infarction underwent electrophysiological testing for a ventricular tachycardia (VT) storm. Repeated cardioversions terminated the VT with immediate resumption after one sinus beat. Pacing neither terminated the VT nor demonstrated transient entrainment. Echocardiographically guided electroanatomic mapping revealed a centrifugal activation from the septal mid-apical region of the left ventricle on the septal portion of the posterior papillary muscle where a high frequency potential was observed within the local ventricular electrogram. Irrigated radiofrequency current at this site eliminated the VT. This case suggested that papillary muscles may be a target for catheter ablation of electrical storms after myocardial infarctions.

Original language	English (US)
Pages (from-to)	143-145
Number of pages	3
Journal	Journal of Interventional Cardiac Electrophysiology
Volume	24
Issue number	2
DOIs	https://doi.org/10.1007/s10840-008-9327-x
State	Published - Mar 2009
Externally published	Yes

Keywords

Electrical storm
Myocardial infarction
Posterior papillary muscle
Radiofrequency catheter ablation
Ventricular tachycardia

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Yamada, T., Tabereaux, P. B., Doppalapudi, H., McElderry, H. T., & Kay, G. N. (2009). Successful catheter ablation of a ventricular tachycardia storm originating from the left ventricular posterior papillary muscle involved with a remote myocardial infarction. Journal of Interventional Cardiac Electrophysiology, 24(2), 143-145. https://doi.org/10.1007/s10840-008-9327-x

Successful catheter ablation of a ventricular tachycardia storm originating from the left ventricular posterior papillary muscle involved with a remote myocardial infarction. / Yamada, Takumi; Tabereaux, Paul B.; Doppalapudi, Harish; McElderry, H. Thomas; Kay, G. Neal.

In: Journal of Interventional Cardiac Electrophysiology, Vol. 24, No. 2, 03.2009, p. 143-145.

Research output: Contribution to journal › Article

Yamada, T, Tabereaux, PB, Doppalapudi, H, McElderry, HT & Kay, GN 2009, 'Successful catheter ablation of a ventricular tachycardia storm originating from the left ventricular posterior papillary muscle involved with a remote myocardial infarction', Journal of Interventional Cardiac Electrophysiology, vol. 24, no. 2, pp. 143-145. https://doi.org/10.1007/s10840-008-9327-x

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abstract = "A 61-year-old man with a remote posterior myocardial infarction underwent electrophysiological testing for a ventricular tachycardia (VT) storm. Repeated cardioversions terminated the VT with immediate resumption after one sinus beat. Pacing neither terminated the VT nor demonstrated transient entrainment. Echocardiographically guided electroanatomic mapping revealed a centrifugal activation from the septal mid-apical region of the left ventricle on the septal portion of the posterior papillary muscle where a high frequency potential was observed within the local ventricular electrogram. Irrigated radiofrequency current at this site eliminated the VT. This case suggested that papillary muscles may be a target for catheter ablation of electrical storms after myocardial infarctions.",

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