Tpeak-Tend Interval as an Index of Global Dispersion of Ventricular Repolarization: Evaluations Using Monophasic Action Potential Mapping of the Epi- and Endocardium in Swine

@article{Xia2005TpeakTendIA,
  title={Tpeak-Tend Interval as an Index of Global Dispersion of Ventricular Repolarization: Evaluations Using Monophasic Action Potential Mapping of the Epi- and Endocardium in Swine},
  author={Yunlong Xia and Yanchun Liang and Ole Kongstad and Magnus Holm and Bertil Olsson and Ph.D. Shiwen Yuan},
  journal={Journal of Interventional Cardiac Electrophysiology},
  year={2005},
  volume={14},
  pages={79-87}
}
The ECG interval from the peak to the end of the T wave (Tpeak-Tend) has been used as an index of transmural dispersion of ventricular repolarization (DVR). The correlation between the Tpeak-Tend interval and the global DVR, however, has not been well-evaluated. Methods: Monophasic action potentials (MAPs) were recorded from 51 ± 10 epicardial and 64 ± 9 endocardial sites in the left ventricles of 10 pigs, and from 41 ± 4 epicardial and 53 ± 2 endocardial sites in the right ventricles of 2 of… CONTINUE READING
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