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  2. Keyword: Psychotropic /drugs therapeutic
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Letter to the Editor

An Issue Waiting to be Clarified: Effects of the QT Prolonging Drugs on Tp-e Interval

Omer Yiginer et al. Mehmet Dogan Emrah Erdal

We read the article ‘Impact of Psychotropic Drugs on QT Interval Dispersion in Adult Patients’ by Claudio et al. with great interest. They investigated in this study the effects of psychotropic drugs on QT interval (QTI), corrected QT interval (QTc), and QT dispersion (QTd). They concluded that psychotropic drugs increased QTd and QTc interval.

QTd is the most frequently used non-invasive method to quantify electrical myocardial heterogeneity. However, there are variable results in studies related to QTI due to the technical limitations in measurements. It is well-known that the reproducibility of QTI measurements is low both in manual and automatic measurements. In this study, the measurements were performed digitally by four cardiologists using the Preview software with a magnification of 300%. We appreciated the method used in this study in order to obtain more accurate data. It is recommended that measurements be done digitally at least by two cardiologists.

[…]

  • Cardiovascular Diseases
  • Death, Sudden
  • Electrocardiography
  • Psychotropic /drugs therapeutic
  • Torsades de Pointes
  • Ventricular Fibrillation
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Creative Commons Attribution (CC BY) Creative Commons license
01/06/2015 DOI: 10.5935/abc.20150037 Views 1

How to cite this article

EndNote RIS

Electronic Document Format (Vancouver)

Yiginer O, Dogan M, Erdal E. An Issue Waiting to be Clarified: Effects of the QT Prolonging Drugs on Tp-e Interval. Arquivos Brasileiros de Cardiologia 2015;104(6):507-8.

Electronic Document Format (ABNT)

Yiginer, Omer; Dogan, Mehmet; Erdal, Emrah. An Issue Waiting to be Clarified: Effects of the QT Prolonging Drugs on Tp-e Interval. Arquivos Brasileiros de Cardiologia, v. 104, n. 6, p. 507-508, May. 2015.

Electronic Document Format (APA)

Yiginer, O., Dogan, M., & Erdal, E. (2015). An Issue Waiting to be Clarified: Effects of the QT Prolonging Drugs on Tp-e Interval. Arquivos Brasileiros de Cardiologia, 104(6), 507-508.

Electronic Document Format (ISO)

Yiginer, Omer and Dogan, Mehmet and Erdal, Emrah. An Issue Waiting to be Clarified: Effects of the QT Prolonging Drugs on Tp-e Interval. Arquivos Brasileiros de Cardiologia [online]. 2015, vol. 104, n. 6, [cited 2026-10-14], pp. 507-508. Available from: <https://journals.cardiol.br/en/article/an-issue-waiting-to-be-clarified-effects-of-the-qt-prolonging-drugs-on-tp-e-interval/>. ISSN 0066-782X

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