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Paroxysmal heart palpitations are challenging to diagnose and have required skin electrodes attached to a monitor, either continuously or during episodes. To assess whether a less resource-intensive tool might offer equal or better diagnosis, investigators retrospectively compared a smartphone-based single-lead ECG with standard event monitors in children (mean age, 10 years) with palpitations.
Over a 24-month period, 836 smartphone ECG recordings from 79 patients with palpitations occurring less than once per week were compared with 752 recordings from 69 children in the standard event monitoring group with palpitations occurring at least once a week. The number of unusable tracings were comparable between the two groups; 25% of smartphone …