Route/duration of<unk> 
Often<unk>  in household, industry, agriculture, or terrorism
Identifying the chemical is paramount
Skin
Often appears deceptively normal initially
Look for visible remaining liquid/powder on skin
Often appears deceptively normal initially
Look for visible remaining liquid/powder on skin
Membranes
Potential for airway compromise
Inspect eyes/nasopharynx/cornea if indicated
Potential for airway compromise
Inspect eyes/nasopharynx/cornea if indicated
Pulm
Bronchospam/cough/pulmonary edema/cough
Bronchospam/cough/pulmonary edema/cough
Systemic sigs
altered mental status, seizures, tachy/brady dysrhythmias, hypo/hyper-tensive, GI sx, electrolyte abnormalitiyes, carboxyhemoglobinemia/methemoglobinemia, cyanide tox, toxidromic constellation of signs (e.g. cholinergic)
altered mental status, seizures, tachy/brady dysrhythmias, hypo/hyper-tensive, GI sx, electrolyte abnormalitiyes, carboxyhemoglobinemia/methemoglobinemia, cyanide tox, toxidromic constellation of signs (e.g. cholinergic)
Hazmat exposure
Caustic cocktail
Drugs of abuse
Electrical injuries
Dirty bomb
Trauma 
Gun shot wounds
Sexual assault