Doctors used an ER patient's FitBit data to justify electrical cardioversion

Re:Doctors used an ER patient's FitBit data to justify elect... by styrophone on Friday April 08, 2016 @01:56AM (#11452813)

Having worked with some physicians on AF diagnostic instrumentation, I took away that an outsized difficulty in this diagnosis is patient compliance. One doc called it a "one shower" problem; very many patients would wear holters as prescribed until they needed to take it off, and then fail to don it again. Clearly this is an issue when hunting for an infrequent arrhythmia, and it seems that the comfort and ease of use of the device are inherent to the problem.

From what you're gathering, do you imagine an eventuality in which a medical device can take a form factor similar to these popular consumer choices and provide a signal of diagnostic quality? Or do you think PPG-style sensing is limited to a fundamental degree of uncertainty with respect to arrhythmias?

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Re:Doctors used an ER patient's FitBit data to justify elect... by brandonb on Friday April 08, 2016 @02:20AM (#11452886)

Yeah! Absolutely. In healthcare we call it "patient compliance," but it's really just usability.

My guess is that by the time we get to the Apple Watch or Android Wear 3 or 4, it'll include a built-in ECG sensor. There are some devices out there already (like Nymi) that have built ECG into a wristband -- if the user touches a wristband worn on one hand with a finger on the other hand, that completes a circuit through the heart and gives you a 1-lead ECG.

I think the downstream implication is that, just like smart phones replaced dedicated GPSes and music players, many medical use cases will become "apps" that run on general purpose wristbands. The big advantage is that since they'll be always-on and non-intrusive, we'll be able to catch conditions much earlier.

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