Humans need watchdog processors. Even if we have to build them and add them. Something which watched your vitals in the background and alarmed when they became critical would be great.
"Heart attack" was probably someone extrapolating from "middle aged guy dies during exercise". Unless you actually had M.E. information beyond that, the natural assumption would be heart attack, and you'd be right 90% of the time.
1) Per-user baselines (e.g. my natural temperature is 36C) in a non-clinical environment (to avoid "white coat" syndrome; from working in a hospital, my BP spikes to 140/90 when I'm around incompetent providers, and is 120/80 normally)
2) Great longitudinal measurements to see changes over time
3) Detecting emergencies instantly
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> Mr. Goldberg had gone to exercise alone > Mr. Goldberg was staying at the hotel on vacation with family and friends
And even if he had been traveling alone, would it really be that unusual for someone whose wife is also a high-flying exec to have a vacation by himself every once in a while? Let's not turn this into gossip.