ECG
Most often sinus tachycardia, self-limited
Less frequently ischemic changes including ST depressions, TWIs
Core temperature (continuous monitoring is ideal, e.g. with bladder temperature monitor)
Blood glucose
CBC
Metabolic panel
LFTs
Blood gas
Lactate
Coagulation studies (DIC)
Creatine phosphokinase and myoglobin (Rhabdomyolysis)
Urinalysis
CXR
CT brain (± LP), if indicated (Cerebral Edema)
Most often sinus tachycardia, self-limited
Less frequently ischemic changes including ST depressions, TWIs
Clinical diagnosis
Exposure to hot environment and high index of suspicion.
Heat stroke
Heat cramps
Electrical storm
Heat edema
Spinal shock
Heat exhaustion
Neurogenic shock
Heat tetany