The QT interval is the time from the beginning of the QRS complex (ventricular depolarization) to the end of the T wave (ventricular repolarization). The normal QT interval is controversial and ...
February 9, 2010 (Dallas, Texas and Washington, DC) — Many common, useful drugs have the side effect of electrocardiographic QT-interval prolongation, which substantially increases the risk of sudden ...
Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. COVID-19 infection is associated with a significant increase in the corrected QT interval (QTc) in ...
Risperidone (RIS), one of the second-generation antipsychotic agents, is reported to prolong the QT interval, and may cause fatal arrhythmia, such as torsades de pointes. 1, 2, 3 The major active ...
There are only a few sinus rhythm QRS complexes available to examine on this ECG. Using lead V1 an incomplete right bundle branch block is seen. A prolonged QT interval is present that extends all the ...
The long-QT syndrome and catecholaminergic polymorphic ventricular tachycardia are the most common inherited cardiac channelopathies. 1 Although the disease mechanisms for these two disorders differ, ...
Figure 1: QT interval association results for 2,543,686 imputed SNPs in 13,685 individuals from three cohorts. The finding of nine associated common variants in five genes known to influence ...
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