symptoms according to percentage carboxyhaemoglobin
Last reviewed 01/2018
There is a characteristic trend of symptoms according to the percentage of carboxyhaemoglobin in the blood:
- 0-15% carboxyhaemoglobin: typically no symptoms
- 15-20%:
- headache
- confusion
- 20-40%:
- nausea
- fatigue
- disorientation
- irritability
- 40-60%:
- hallucinations
- ataxia
- syncope
- convulsions
- coma
- > 60%: death