A suspected case of carbon monoxide poisoning (gas geyser syndrome). The patient remarkably improved from an initial GCS of 3/15 to a point of extubation within two days. We suspect the carboxyhemoglobin was rapidly eliminated due to the oxygenation with ventilation and prompt supportive treatment afforded to the patient. This most likely lead to a relatively favorable clinical outcome for the patient.

Toxic metabolic workup for recreational drugs, methanol, cyanide, and organophosphate poisoning proved negative.