From: Expert consensus on the prevention, diagnosis and treatment of cold injury in China, 2020
Stage | Clinical presentation | Typical core temperature |
---|---|---|
HT I | Conscious, shivering | 35 °C to 32 °C |
HT II | Impaired consciousness, not shivering | < 32 °C to 28 °C |
HT III | Unconscious, not shivering, vital signs present | < 28 °C to 24 °C |
HT IV | No vital signs | < 24 °C |