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A comment on Bike crash left Spokane man unconscious, so his Apple Watch called 911. Parent comment

Re:Bike crash left Spokane man unconscious, so his Apple Wat... by JshWright on Tuesday September 24, 2019 @08:04PM (#21066121)
Even if it could check a trop, that's a pretty late indicator. If you're having the big one, you're going to be dead before your troponin spikes.
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Re:Bike crash left Spokane man unconscious, so his Apple Wat... by HeyLaughingBoy on Tuesday September 24, 2019 @08:52PM (#21066448)
Is that right? When I worked in medical instrumentation, I was always told that TnI was a leading marker.
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Re:Bike crash left Spokane man unconscious, so his Apple Wat... by JshWright on Tuesday September 24, 2019 @08:59PM (#21066489)
It will take up to 8 hours for troponin levels to rise after the onset of symptoms (typically 3-4).
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Re:Bike crash left Spokane man unconscious, so his Apple Wat... by btach on Wednesday September 25, 2019 @01:08AM (#21067780)
ER nurse here - some STEMIs I've taken care of had negative initial trop's (not all though). The 4 hr delta should of course be positive though - I don't typically check the 4 hr repeat for STEMIs though because they're long gone out of the ED to the cath lab then to CVICU.
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