An unknown male is brought to your ED after being found unconscious in a house fire. He is hypotensive, tachycardic and has a GCS of 9.
His arterial blood gas on non rebreather shows:
pH 7.0
pCO2 90 mmHg
pO2 200 mmHg
HCO3 11 (24 +-2)
BE 33
Sodium 148 mmol/l (136-146)
Potassium 5.9 mmol/l (3.5-5)
Chloride 109 mmol/l (98-108)
Glucose 13 (4-6 mmol/l)
Lactate 12 (<1.5 mmol/l)
1. Describe and Interpret the blood gas
2. What other investigations would you request?
His CO level was 50% (<2.0) and MetHb level was 2.6% (<1.5)
3. Describe the Risk assessment for CO toxicity