Generally a clinical diagnosis
ECG
Consider CT head
CXR for aspiration, ALI
Labs
Blood gas
CBC
Electrolytes
LFTs, hepatotoxicity
Serum glucose
BUN/Cr
CK, urinalysis
Toxicological screen
Serum toluene concentrations do not guide therapy
Blood gas
CBC
Electrolytes
LFTs, hepatotoxicity
Serum glucose
BUN/Cr
CK, urinalysis
Toxicological screen
Serum toluene concentrations do not guide therapy
Inhalant abuse
25C-NBOMe‎
Methane toxicity
Alcohol
Chloroform toxicity
Amphetamines
Smoke inhalation injury
Bath salts