I want to buy Apple Watch 5 for my grandpa and know, that if he has a low heart rate does the watch send me a message with location about it?

Hello, pls tell me is it possible to get a low heart rate alert by relatives like “sos” alert when the guy fell. I want to buy watch 5 for my grandpa and know, that if he has a low heart rate does the watches send me a message with location about it? Or it works only when you fell down...

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