Abstract:Background
The wearable defibrillator (WCD) is a useful device to prevent sudden cardiac death (SCD) due to fatal arrhythmias in patients in which an implantable cardioverter defibrillator (ICD) is not currently indicated. Measurement of mean daily heart rate and related variability (HRV) has proved to be useful in identifying patients at increased arrhythmic risk of SCD and in patients with chronic heart failure (CHF), although the specificity and predictive accuracy of fatal arrhythmic even… Show more
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