After researching atrial fibrillation I thought this would be a good buy. So far that has been fine. It has multiple places on your skin where it is designed to collect data. In actual use, only the position of the palms of both hands gives a reading. My wife cannot use the device at all. I'm not sure what the problem is and the literature is useless for troubleshooting. When it works, it produces an accurate heart rate reading and a decent waveform reading. Contecmed.com provides you with an application suitable for downloading and printing captured waveforms. There is a Bluetooth icon on the device, but no indication of how (or if) it can be paired. So it works, but to get anything more than a mediocre 3 stars you have to get a lot better.
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