An Overview of QT Dispersion Finding in Cardiac Patients,Review Article | ||
| The Egyptian Journal of Hospital Medicine | ||
| Article 58, Volume 85, Issue 2, October 2021, Pages 3805-3809 PDF (598.71 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejhm.2021.204579 | ||
| Authors | ||
| Ahmed Mohamed Sanad* ; Kamel Hasan Ghazal; Mohammad Abdalla Eltahlawi; Ahmed Taha Abdelwahed | ||
| Abstract | ||
| Background: QT duration represents the time of the whole summated electric cardiac ventricular activity involving stepwise depolarization followed by repolarization. There has been a long history of using the surface electrocardiogram (ECG) to identify ventricular repolarization problems. The 1960s were a turning point for precise mathematical methodologies. It has been customary in clinical practice to use only the QT interval and the polarity and shape of the T wave when evaluating cardiac repolarization using an electrocardiogram (ECG). This terminology, such as "non-specific ST segment and T wave variations are widely used. An earlier theory on interlead disparities in QTI length was resurrected in a 1990 report by the group led by Professor John Campbell. The "QT dispersion" range of durations was proposed as a measure of ventricular recovery time spatial dispersion. Objective: Determine the relevance of QTd in prediction of myocardial and its severity. Conclusion: For cardiac patients, QTd is an easy-to-use, rapid, affordable, and helpful tool for helping with study interpretation, clinical management, and therapeutic orientation. | ||
| Keywords | ||
| QTd Dispersion Finding; Cardiac Patients | ||
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