Mountain Cards
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.

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.
HypothermiaSigns & treatmentSigns & symptomsShivering, cold pale skin, tiredness and clumsiness.The 'umbles' — mumbles, stumbles, fumbles, grumbles (slurredspeech, poor coordination, mood change).Confusion, poor decisions and drowsiness.Worsening: shivering stops, with slow breathing and pulse.TreatmentShelter 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 CardsFirst-aid reference

Use of this tool is offered on the condition of a donation to Severn Area Rescue Association.