Aerial blood gas analysis in Carbon monoxide poisoning shows:: (A) PO2 less, O2 saturation normal, (B) PO2 normal, O2 saturation less with normal or slightly decreased PCO2, (C) PO2 less, O2 saturation normal, (D) PO2 less, O2 saturation decreased
Answer is B. B i.e. PO2 normal O2, saturation less with normal or slightly decreases PCO2.