MAJOR HEAT EMERGENCIES

see Heat exhaustion
see Heat stroke

Altered mental state, lack of sweating and high temperature is the hallmark of heat stroke and requires immediate cooling

HEAT EXHAUSTION HEAT STROKE
Temperature < 40 > 41
Symptoms Weakness/Fatigue
Frontal headache
Impaired judgement
Vertigo/Dizziness/Syncope
Nausea + Vomiting
Cramps
see left +
Ataxia
Confusion/Disorientation
Seizure
Cerebellar Signs
Irritability/Psychosis
Sweating +++ + (impaired thermoregulation)
Seizures - +/-
Coma - +/-
CNS damage No Yes
LFT - Transaminases Normal to 1000s 10000s