Methods of Assessment and Clinical Relevance of QT Dynamics [PDF]
Indian Pacing and Electrophysiology Journal, 2005 The dependence on heart rate of the QT interval has been investigated for many years and several mathematical formulae have been proposed to describe the QT interval/heart rate (or QT interval/RR interval) relationship. While the most popular is Bazett’s
Beata Sredniawa +4 more
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Congenital Short QT Syndrome [PDF]
Indian Pacing and Electrophysiology Journal, 2004 Long QT intervals in the ECG have long been associated with sudden cardiac death. The congenital long QT syndrome was first described in individuals with structurally normal hearts in 1957.1 Little was known about the significance of a short QT ...
Charles Antzelevitch, Johnson Francis
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Effect of QT interval-prolonging drugs taken in pregnancy on the neonatal QT interval. [PDF]
Front Pharmacol, 2023 Introduction: Acquired QT interval prolongations due to drug side effects can result in detrimental arrhythmia. Maternal use of placenta-permeable drugs may lead to fetal exposure, thus leading to an increased risk of neonatal QT prolongation and ...
Michel H +10 more
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Prevalence of the QT interval prolongation and its risk factors in hospitalized geriatric patients: findings of a single center cross-sectional study in Pakistan. [PDF]
BMC GeriatrBackground and objectives Geriatric inpatients are particularly susceptible to Torsades de Pointes (TdP) because they are usually polymorbid and often take QT-prolonging drugs.
Tanveer H +9 more
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Altered circadian rhythmicity of the QT interval predicts mortality in a large real-world academic hospital population. [PDF]
HeliyonObjective and rationale: Small studies have shown that the QT interval follows a circadian rhythm. This finding has never been confirmed in a large real-world hospital population and the clinical meaning of disrupted rhythmicity remains unknown. Methods:
van de Leur RR +6 more
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Exploring electrocardiographic alterations and the prolongation of QT interval in patients with diabetes mellitus. [PDF]
J Family Med Prim CareArya T +4 more
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A Study on the Diurnal Variation of Ventricular Repolarization Parameters in Patients with Obstructive Sleep Apnea [PDF]
Zhongguo quanke yixue, 2022 BackgroundObstructive sleep apnea hypopnea syndrome (OSAHS) is a common sleep breathing disorder. More and more studies have shown that OSAHS has a significant correlation with cardiovascular disease.
YANG Beibei, JIANG Junguang, SHI Jiang, ZHANG Yang
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Journal of the Formosan Medical Association, 2023 Background: Fluoroquinolones, crucial components of treatment regimens for drug-resistant tuberculosis (TB), are associated with QT interval prolongation and risks of fatal cardiac arrhythmias. However, few studies have explored dynamic changes in the QT
Ke-Shiuan Ju +8 more
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Corrected QT interval and QT dispersion in temporal lobe epilepsy
The Egyptian Journal of Neurology, Psychiatry and Neurosurgery, 2021 Background Cardiac arrhythmias are expected among patients with epilepsy due to the effect of anti-epileptic drugs. Temporal lobe epilepsy also causes autonomic seizures that may affect heart rhythm.
Maram Samy Nasef +5 more
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CLINICAL SIGNIFICANCE OF DRUGINDUCED INTERVALS QT AND QTC PROLONGATION
Рациональная фармакотерапия в кардиологии, 2015 Interval QT prolongation is a predictor of the life-threatening cardiac arrhythmias — polymorphic ventricular tachycardia (torsade de pointes). Long QT syndrome may be congenital or acquired.
N. V. Furman, S. S. Shmatova
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