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Apple Watch Recorded Heart Rate On The Day My Dad Died [OC](r/dataisbeautiful)
My dad, who has a long history of heart issues and is also (ironically) a cardiologist, has a device like the Kardia. He has an older model, but this past Friday he was having chest pain and the device’s readout convinced him he should go to the ER. (He indeed had a minor heart attack, and is recovering well).
OP, I’m sorry for your loss.