FDA clears EKG reader for Apple watch

ABC News' Dr. Jennifer Ashton reports on the $199 device that produces a trackable EKG report that can be sent to a cardiologist for further interpretation and management.
2:11 | 12/01/17

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Transcript for FDA clears EKG reader for Apple watch
Absolute heroes. Big-time heroes. Knew to help in tech colliding in a big way for your heart. The fda just cleared the first medical device accessories for the apple watch, an ekg reader that will be able to detect abnormal heart rhythm, our chief medical correspondent Dr. Jen Ashton is here and, Jen, this is a big thing right here. How does this work exactly. So this means the next time we say be still, my heart, you can actually just look at your wrist and you can actually see what your heart is doing but this uses micro electrodes and cloud mobile communication technology to detect heartbeat and then your actual heart rhythm an ekg and has the capacity to send that report to your cardiologist if you choose. Really this is to detect atrial fibrillation and doesn't always produce Sims and can be serious so it's easy to wear, it's easy to use. We'll see more and more things just like this biotech wearables, trackables to send medical information. All sounds wonderful. Don't get me wrong here but some potential risk as well. Always downside. To start with this is a device if we know how often our phone malfunctions. Potentially any device like this could do the same thing and ekg interpretation is a very specialized skill so the machine can do the bakes. A human has to do the rest. If it's misinterpreted it could potentially result in unnecessary er -- Not the thing you would go state to the emergency room. No, you would e-mail it to your cardiologist ideally. Maybe in the future it could go to someone like a 911 but we're not there yet and if it generates anxiety, unnecessary procedures and tests, it's $199 then you pay a membership fee of $99 a year. I just got off the phone with a top New York City cardiologist who thinks this is actually a good idea and thinks it can help a lot of people. Thinks it's a game changer. He didn't use the word game changer but atrial fibrillation can be serious and if you don't know you have it you can look down. Better safe than sorry. I'll check your pulse. Be still, my heart. You're going to make it. You're going to survive. Thanks, Jen. Coming up, getting to know

This transcript has been automatically generated and may not be 100% accurate.

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