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User Info Once Upon A Time...; entered at 2021-09-24 07:10:36
Posts: 3
Registered: 2021-09-24 Bastrop, Texas
The authors seemed to have inadvertently reversed the direction of the symbols in #3.

The symptoms of severity should be a SpO2 of LESS than 80%, or a heart rate of OVER 100, as those would suggest the body is struggling to provide oxygen.

Should be: "with SpO2 <80%, heart rate >100 beats per minute".

The included diagram reads correctly.
2021-09-24 07:10:36