CO-Hb, % | Signs and symptoms |
0-10 | None |
10-20 | Tightness across forehead, slight headache, dilation of the cutaneous blood vessels |
20-30 | Headache and throbbing in the temples |
30-40 | Severe headache, weakness, dizziness, dimness of vision, nausea, vomiting, collapse |
40-50 | Same as above, greater possibility of collapse; syncope, increased pulse and respiratory rates |
50-60 | Syncope, increased respiratory and pulse rates, coma, intermittent convulsions, Cheyne-Stokes respiration |
60-70 | Coma, intermittent convulsions, depressed heart action and respiratory rate, possible death |
70-80 | Weak pulse, slow respiration leading to death within hours |
80-90 | Death in less than 1 hour |
>90 | Death within minutes |
Do you want to add Medilib to your home screen?