Atrial fibrillation (AF) is the most common cardiac arrhythmia, affecting between 1 and 4% of the general population and responsible for 10 to 20% of strokes. New technologies are now available for screening for AF, but their implementation in real clinical settings has not yet been fully investigated. The aim of our study is to evaluate the electrocardiogram (ECG) recordings on smartphones intended for screening for AF using the KardiaMobile device (Alivecor), a portable device 5 cm long and 80 g in weight, with a dedicated mobile application. Prospective screening for AF in patients aged 55 or over, known to be hypertensive for at least 5 years, was performed at the cardiology consultation services between June 2019 and July 2020. exclusion from the study. The CHA2DS2-VASc score was collected from each patient. A single lead ECG was acquired by placing the fingers of each hand on the electrodes. The diagnosis of the Kardia app was assessed by the consultation cardiologist, and a baseline ECG was performed for each suspected arrhythmia. A total of 160 ECGs were performed. The diagnosis of the Kardia app was provided in 93% of cases. A heart rhythm described as normal was detected in 120 consultants, in an atrial fibrillation was suspected in 8.1% of the patients described by the device as possible AF, and confirmed by a baseline ECG in 7.5% of the patients screened ( Fig. 1 ). Anti-coagulation was started in 6.2% of patients based on the CHADS-VASC score. The Kardia app is able to quickly filter and detect AF with high sensitivity and specificity. The possible diagnosis of possible AF warrants further cardiological evaluation screening through the use of mHealth technology could be an effective tool in patients at cardiovascular risk for better prevention.
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