CXR: immediately if symptomatic, otherwise early CXR not predictive of pneumonitis. Observe for 4-6hrs then obtain CXR
Labs: as needed to evaluate for acidosis, anemia, renal/hepatic<unk> , coagulation, methemoglobinemia, carboxyhemoglobinemia depending on specific exposure
ECG
Clinical diagnosis, based on history and physical exam
Hydrocarbon toxicity
25C-NBOMe‎
Methane toxicity
Alcohol
Salicylate toxicity
Amphetamines
Chromium toxicity
Bath salts