12-lead ECG
CBC
CMP
Lactate
Troponin
CK
Urinalysis
Urine myoglobin is poorly sensitive/specific, and most patients with rhabdomyolis will have grossly discolored urine
Urine myoglobin is poorly sensitive/specific, and most patients with rhabdomyolis will have grossly discolored urine
Typically a clinical diagnosis
Electrical injuries
Smoke inhalation injury 
Cold injuries
Chemical injury
Trauma 
Acrolein
Lightning injuries
Hydrochloric acid