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Here's how Google's medical team envisions the future of wearable health

Dr. Jacqueline Shreibati, cardiologist and senior clinical lead at Google, talked me through Loss of Pulse, 'extrapolating' your health, and what comes next with Pixel Watches.

They knew that a Loss of Pulse feature "lined up at a high level" with Pixel Watches' current capabilities — optical heart rate and emergency SOS — but the "real work" began with figuring out how to catch it accurately without false positives. (Image credit: Michael Hicks / Android Central)I wrote in a previous column how tech brands are pushing to transition from "wellness" to "medical" devices, going beyond advice on general energy levels and sleep quality to actual diagnoses. Sleep apnea detection on a Galaxy Watch (Image credit: Samsung)Part of that comes down to using machine learning algorithms to connect the dots between data and conditions, but it'll require "rigorous validation and verification" before wearables can offer that kind of insight in consumer apps.

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