Clinical diagnosis- RBC cholinesterase levels are available but of limited utility
CBC, BMP
CXR- may show pulmonary edema
ECG- may show AV block, QT prolongation, ventricular dysrhythmias
Carbamate toxicity
Tianeptine toxicity
Mushroom toxicity, especially:
Chlorate toxicity
Amanita muscaria
Lysergic acid diethylamide toxicity
Inocybe
Phencyclidine toxicity