The 6L communicates with smartphones via BlueTooth with a simple discrete device pairing. It does not communicate by sound with the smartphone’s microphone like the single lead Kardia unit does. This allows for a greater distance capability between the 6L and the SmartPhone. John Lorscheider lives in Southeast Wisconsin and he and his wife and are now retired. He was in sales, engineering and and senior management for industrial pumps and fluid process equipment for various manufacturers for 40 years. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. We avoid using tertiary references. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. Very prone to electrical interference from appliances, TV’s, radios, computers, etc. making the Kardia recording “Unreadable”. It’s sometimes hard to find a “quiet” place without interference. The ECG can be recorded using KardiaMobile 6L, in any psychiatric setting, including during a home visit by a community health professional which may reduce the stress and anxiety of people attending an outpatient’s appointment. The data is recorded and transmitted wirelessly to a mobile device such as a smartphone or tablet.

The KardiaMobile ECG has two electrodes on top and one on the bottom. To record a 6 lead ECG place your fingers on the two top electrodes then touch the third bottom electrode to the skin of your left ankle or leg. It's that easy. The KardiaMobile 6L from AliveCor produces a medical grade 6 lead ECG recording that gives you and your Doctor a more complete view of your heart using a free iOS and Android App. It's the first and only FDA cleared and CE-marked six lead personal ECG that will automatically detect Atrial Fibrillation anytime, anywhere on your smartphone or tablet. Please note that the Apple Watch 6 may erroneously report a normal Oxygen percentage if the patient is anemic, while a hospital grade pulse oximeter will compensate for the anemia, and report the correct lower value. I am planning to upgrade from AW4 to AW6 for this pulse ox feature – my frequent blood tests should mean undetected anemia is highly unlikely, and the AW6 may help monitor my lung and heart function. We appreciated the fact that the device comes with a battery and does not need to be charged. The included 3V CR2016 coin cell battery is given for 200 hours of ECG monitoring. Considering that it takes 30 seconds to record the electrocardiogram and heart rate, it equates to 24,000 analyses without worrying about the battery.Record an ECG anytime, anywhere:KardiaMobile 6L is portable and works wherever you are. Take medical-grade ECGs from anywhere and get results in just 30 seconds. The 6L is less sensitive to electrical interferences, and users do not have to turn off their hearing aid as reported with the single-lead device. Considering the quality of the signals and the additional information provided by recording additional leads, we certainly favor the 6L device. The differences between the two devices are certainly not significant, but more is always better. And with six times more data, we hope that new algorithms will help offer even more detailed and accurate diagnostics. Although I welcomed the Alivecor’s six-lead version of Kardia and found it to be a marvel of modern engineering, I had heretofore not found compelling reasons to recommend it to my patients over the less expensive single lead.

Both devices can accurately detect normal sinus rhythm, atrial fibrillation, and bradycardia. We routinely use the Kardia Mobile 6L, which, in our opinion, offers more than the benefits of a six leads EKG recording. Two leads are enough for detecting arrhythmia.

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The Kardia device allows recording medically relevant electrocardiograms anytime and from anywhere. When coupled to the Kardia app, available for iOS or Android, it provides an easy way to record an ECG and, most importantly, interpret it.