Mild (HT I) | Conscious, shivering | 32 to 35 | • Warm environment and clothing; warm, sweet drinks; active movement if possible |
Moderate (HT II) | Impaired consciousness, with or without shivering | 28 to < 32 | • Active external and minimally invasive rewarming |
• Cardiac and core temperature monitoring |
• Minimize movements, horizontal position, immobilization |
• Full body insulation |
Severe (HT III) | Unconscious, vital signs present | < 28 | • HT II management, plus:
|
Cardiac arrest (HT IV) | Unconscious, vital signs absent | < 28 (variable) | • CPR and up to 3 doses of epinephrine and defibrillation |
• Airway management |
• Transport to ECLS centre |
• Prevent further heat loss (insulation, warm environment, do not apply heat to head) |
• Active external and minimally invasive rewarming during transport (as per HTII) |