Insult category | Grade 1 | Grade 2 | Grade 3 |
---|---|---|---|
Raised ICP | mean ⩾20 mm Hg | mean ⩾30 mm Hg | mean ⩾40 mm Hg |
Hypotension | mean ⩽70 mm Hg | mean ⩽55 mm Hg | mean ⩽40 mm Hg |
or systolic ⩽90 mm Hg | or systolic ⩽70 mm Hg | or systolic ⩽50 mm Hg | |
Hypertension | mean ⩾110 mm Hg | mean ⩾130 mm Hg | mean ⩾150 mm Hg |
or systolic ⩾160 mm Hg | or systolic ⩾190 mm Hg | or systolic ⩾220 mm Hg | |
Low CPP | mean ⩽60 mm Hg | mean ⩽50 mm Hg | mean ⩽50 mm Hg |
Hypoxia | SaO2 ⩽90% | SaO2⩽85% | SaO2 ⩽80% |
Pyrexia | Temp. ⩾38 C | Temp ⩾39°C | Temp ⩾40°C |
Tachycardia | HRT ⩾120 bpm | HRT ⩾135 bpm | HRT ⩾150 bpm |
Bradycardia | HRT ⩽50 bpm | HRT ⩽40 bpm | HRT ⩽30 bpm |