Change of QT variability index during general anesthesia


BACKGROUND The QT variability index (QTVI)-a non-invasive measure of beat-to-beat QT interval (QTI) fluctuations-is related to myocardial repolarization lability. The QTVI represents the relationship between QTI and the RR interval. Elevated QTVI is associated with an increased risk of malignant ventricular arrhythmias and sudden death. We investigated the… (More)
DOI: 10.4097/kjae.2016.69.3.250


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