Precardioversion Heart Rhythm Monitoring Using Smartphone Photoplethysmography

Is daily ambulatory heart rhythm monitoring precardioversion using smartphone photoplethysmography more effective than standard of care in reducing the number of same-day cancellations in scheduled cardioversions?In this randomized clinical trial including 203 participants, daily heart rhythm monitoring initiated 1 to 2 weeks prior to scheduled cardioversion for atrial fibrillation using smartphone photoplethysmography and reminders of anticoagulation compliance was superior to standard of care in reducing same-day cancellations.The findings suggest that precardioversion rhythm monitoring using smartphone photoplethysmography could support the optimization of health care resources.

Corresponding Author: Johan Engdahl, MD, Karolinska Institutet, Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd University Hospital, SE-182 88 Stockholm, Sweden (johan.engdahl@ki.se).

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