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 |