International Cardiovascular Research Journal
The Official Annually Journal of Cardiovascular Research Center, Shiraz University of Medical Sciences
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A Study of QT Dispersion as a Prognostic Indicator in Acute Myocardial Infarction
Author(s):
1Clinical Registrar, H.R.M.C. Govt. Centre of Cardiology and Cardiovascular Sciences, Bikaner, India
2Clinical Registrar, Deptt. of Internal Medicine, J.N.M.C.H, A.M.U, Aligarh, India
3Director, H.R.M.C. Govt. Centre of Cardiology and Cardiovascular Sciences, Bikaner, India
*Corresponding Author: Corresponding author: Arif Wahab, Clinical Registrar, H.R.M.C. Govt. Centre of Cardiology and Cardiovascular Sciences, Bikaner, India Email: [email protected]
Published online:Sep 30, 2012
Article type:Research Article
Received:May 17, 2017
Accepted:Feb 17, 2012
How to Cite:Wahab A, Alvi S, B. Panwar R, Budania S. A Study of QT Dispersion as a Prognostic Indicator in Acute Myocardial Infarction. Int Cardiovasc Res J. 2017;6(1):e12824. doi:
Abstract
Background: QT dispersion, defined as the difference between maximum and minimum QT interval measured at 12 lead ECG, is the most simple and widely used index of ventricular dispersion. Increased ventricular dispersion predicts predisposition to cardiac arrhythmia and therefore affects the prognosis of patients after myocardial infarction.
Methods: In this study we evaluated whether QT dispersion can predict the arrhythmogenic potential in acute myocardial infarction (AMI) and whether it can behave as a risk stratification tool in such patients.
Results: In all, 124 patients were included in the study. Mean QT dispersion at presentation was 112±5.4 ms. Those who were thrombolysed, or survived or did not develop significant ventricular arrhythmias had significantly lower QT dispersion than their comparative groups (P<0.001).
Conclusion: In our study we found that measuring QT dispersion from presentation till hospitalisation can provide a method of risk stratification of AMI patients and can detect patients who are at increased risk of developing ventricular arrhythmias and increased cardiac mortality
References
- 1.The references are available in PDF.
Copyright
© 2017, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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