2005
DOI: 10.1111/j.1542-474x.2005.05588.x
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ECG Repolarization Waves: Their Genesis and Clinical Implications

Abstract: The electrocardiographic (ECG) manifestation of ventricular repolarization includes J (Osborn), T, and U waves. On the basis of biophysical principles of ECG recording, any wave on the body surface ECG represents a coincident voltage gradient generated by cellular electrical activity within the heart. The J wave is a deflection with a dome that appears on the ECG after the QRS complex. A transmural voltage gradient during initial ventricular repolarization, which results from the presence of a prominent action… Show more

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Cited by 90 publications
(66 citation statements)
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“…It may indicate the presence of a transient electrical heterogeneity (difference in action potentials) between ventricular endocardium and epicardium during early repolarisation (Hlaing et al 2005;Rituparna et al 2007;Shinde et al 2007). The mechanism can be explained by…”
Section: Introductionmentioning
confidence: 99%
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“…It may indicate the presence of a transient electrical heterogeneity (difference in action potentials) between ventricular endocardium and epicardium during early repolarisation (Hlaing et al 2005;Rituparna et al 2007;Shinde et al 2007). The mechanism can be explained by…”
Section: Introductionmentioning
confidence: 99%
“…It may indicate the presence of a transient electrical heterogeneity (difference in action potentials) between ventricular endocardium and epicardium during early repolarisation (Hlaing et al 2005;Rituparna et al 2007;Shinde et al 2007). The mechanism can be explained by doi: 10.17221/8109-VETMED a prominent transient outward current (I to ) in the ventricular epicardium that produces a transmural voltage gradient during the early ventricular repolarisation which can be accountable for the presence of the J wave (Yan and Antzelevitch 1996;Hlaing et al 2005;Rituparna et al 2007;Shinde et al 2007). Moreover, it is possible to distinguish a J wave coincident with the epicardial action potential notch in the ECG when the electrical activation originates in the endocardium and spreads to the epicardium.…”
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confidence: 99%
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“…It has also been widely applied in researches, as well as evaluations of drug efficacy, on heart diseases including hypertension, coronary heart disease, arrhythmia, etc. T peak -T end interval (Tp-Te) is an interval from the peak to the end of T wave, which closely represents transmural dispersion of repolarization [5,6]. It is also an important predictor of ventricular arrhythmia events [7].…”
Section: Introductionmentioning
confidence: 99%