Most contemporary ICD or CRT devices monitor atrial and ventricular tachycardias, AF/atrial tachycardia burden, delivered shocks (defibrillators only), CRT pacing (CRTs only), heart rate, rhythm and PA, with additional metrics including heart rate variability, thoracic impedance, heart sounds, rapid shallow breathing, sleep incline, ventricular extrasystole and intracardiac electrogram.[ 4 , 61 – 63 ] Alerts are based on single parameters, either by detecting a new event, a significant trend away from baseline or crossing a preset threshold.
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Clinical Pathways Guided by Remotely Monitoring Cardiac Device Data: The Future of Device Heart Failure Management?
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