Impact of thoracic epidural sympathetic block on cardiac repolarization
2018
Purpose
The interval from the peak to the end of the T wave (Tp-Te) on electrocardiography is considered a marker of ventricular arrhythmias. A previous study suggested that right stellate ganglion block prolonged QT and QT dispersion (QTD). We investigated the effect of thoracic epidural sympathetic block with 1% mepivacaine on QT, QTD, Tp–Te, and Tp–Te/QT by using computerized measurement.
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