Signs Report

Name	QT interval
Description	In cardiology, the QT interval is a measure of the time between the start of the Q wave and the end of the T wave in the heart's electrical cycle. In general, the QT interval represents electrical depolarization and repolarization of the left and right ventricles. A prolonged QT interval is a biomarker for ventricular tachyarrhythmias like torsades de pointes and a risk factor for sudden death.
No. of Studies (Positive/Negative)	2 (2/0)

Name in Literature	Reference	Research Type	Statistical Result	Relation Description
QT	Arslan, 2008	patients and normal controls	P-value < 0.01; P-value < 0.001,	In MD patients, QT and QTc intervals were significantly long...... In MD patients, QT and QTc intervals were significantly longer compared to the health women (p < 0.01 and p < 0.001, respectively). More...
QT variability	Koschke, 2009	patients and normal controls		patients showed an overall shift of autonomic balance toward...... patients showed an overall shift of autonomic balance toward sympathetic predominance as compared with matched controls, with a decrease in parasympathetic parameters and baroreflex sensitivity, and an increase in sympathetically influenced QT variability. More...

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