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KMID : 0356920110600040294
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Korean Journal of Anesthesiology
2011 Volume.60 No. 4 p.294 ~ p.297
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Postanesthetic torsade de pointes in a patient with unrecognized long QT syndrome -A case report-
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Lee Jae-Young
Lee Ju-Hyun
An Eun-Hye
Song Jun-Gol
Park Pyung-Hwan
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Abstract
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Torsade de pointes (TdP) is a devastating form of polymorphic ventricular arrhythmia associated with corrected QT (QTc) interval prolongation. TdP usually terminates spontaneously but frequently recurs and may degenerate to ventricular fibrillation. The present report describes a case of TdP in a patient being transferred to the postanesthetic care unit following an emergency laparoscopic appendectomy. The patient had undergone open heart surgery 1 week before. Retrospective electrocardiogram analysis revealed the patient had QTc and Tpeak-Tend interval prolongation that had gone unrecognized. We believe TdP may have been induced by accentuation of sympathetic nervous system during emergence from general anesthesia.
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KEYWORD
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Long QT syndrome, Torsade de pointes, Tpeak-Tend interval, Ventricular fibrillation
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