Home > Cardiology > ACC 2019 > Arrhythmias and Clinical Electrophysiology > Smartwatch can detect atrial fibrillation with high degree of accuracy

Smartwatch can detect atrial fibrillation with high degree of accuracy

Expert
Dr Mintu Turakhia, Stanford University, USA
Conference
ACC 2019
Trial
Apple Heart Study

New developments in technology keep finding their way into medicine. A recent application of the Apple Watch is the detection of atrial fibrillation (AF). Early results from the Apple Heart Study, which included over 400,000 participants, showed that the device was not only able to detect AF but is also highly accurate [1].

The overall goal of the study was to evaluate the ability of the irregular pulse notification algorithm to identify AF and guide subsequent clinical evaluation. Each participant in this study needed to have an Apple Watch (series 1, 2, or 3) and an iPhone (the newest Apple Watch model, i.e. series 4 with a built-in electrocardiogram [ECG] app, was not included in this study). Exclusion criteria were AF and the use of anticoagulation. Photoplethysmography was used to measure blood flow activity as well to detect small changes which might indicate an irregular heartbeat. Then a tachogram was created and analysed by an algorithm. When 5 of...



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