Road flares? Just kidding. The term you want to google for is "Remote Patient Monitoring", in which there is a whole class of products albeit normally targeted

Road flares? Just kidding. The term you want to google for is "Remote Patient Monitoring", in which there is a whole class of products albeit normally targeted towards the medical market. There's nothing directed at consumers that I'd consider reliable (eg. Fitbit, AliveCor, etc) for your use case.