Some doctors warn that smartwatches and other AFib-detecting wearable devices aren’t proven screening tools and say alerts for nonsevere cases can result in patient anxiety, costly testing, and unnecessary treatment. Here is a summary of an article from the WSJ.
Apple Watch

KEY IDEA: A panel of leading cardiologists weighed in in the Apple Watch and it wasn’t pretty. While they like the idea that it can alert patients to a potential problem they will never accept the apps, or any apps, a diagnostic tool.