About: QT interval variability

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QT interval variability (QTV) refers to the physiological phenomenon of beat-to-beat fluctuations in QT interval of electrocardiograms. Increased QTV appears to be a marker of arrhythmic and cardiovascular death; it may also play a role for noninvasive assessment of sympathetic nervous system activity. Other terms used include: "QT variability", "beat-to-beat variability of ventricular repolarization (BRV)"

Property	Value
dbo:abstract	QT interval variability (QTV) refers to the physiological phenomenon of beat-to-beat fluctuations in QT interval of electrocardiograms. Increased QTV appears to be a marker of arrhythmic and cardiovascular death; it may also play a role for noninvasive assessment of sympathetic nervous system activity. Other terms used include: "QT variability", "beat-to-beat variability of ventricular repolarization (BRV)" (en)
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rdfs:comment	QT interval variability (QTV) refers to the physiological phenomenon of beat-to-beat fluctuations in QT interval of electrocardiograms. Increased QTV appears to be a marker of arrhythmic and cardiovascular death; it may also play a role for noninvasive assessment of sympathetic nervous system activity. Other terms used include: "QT variability", "beat-to-beat variability of ventricular repolarization (BRV)" (en)
rdfs:label	QT interval variability (en)
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