First aid · cold injury Hypothermia How to recognise and treat hypothermia in the hills — including the “-umbles” (mumbles, stumbles, fumbles, grumbles) that flag the early signs.
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Back ✉️ Recommend to a friend A memory aid, not medical training. In an emergency always dial 999 / 112 (or call/text 999 and ask for Mountain Rescue) as soon as it's safe to do so.
Hypothermia Signs & treatment Signs & symptoms Shivering, cold pale skin, tiredness and clumsiness. The 'umbles' — mumbles, stumbles, fumbles, grumbles (slurred speech, poor coordination, mood change). Confusion, poor decisions and drowsiness. Worsening: shivering stops, with slow breathing and pulse. Treatment Shelter from wind and rain; insulate them from the ground. Remove wet clothing; add dry warm layers and a hat. Warm, sweet drink if fully conscious — never alcohol. Rewarm gradually and handle gently; do not rub the skin. Not improving or shivering stopped — call for help and evacuate. Core temperature (guide) Mild 32–35°C — alert and shivering. Moderate 28–32°C — shivering stops, confused or drowsy. Severe below 28°C — unconscious, very ill. Hard to measure in the field — judge by the signs above. Mountain Cards First-aid reference
Use of this tool is offered on the condition of a donation to Severn Area Rescue Association .