First aid · heat illness Hyperthermia Recognising and treating heat illness in the hills — from heat exhaustion to the danger signs of heatstroke , which is a medical emergency.
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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.
Hyperthermia Heat exhaustion & heatstroke Heat exhaustion — signs Headache, dizziness, nausea and confusion. Heavy sweating with pale, clammy skin. Cramps, intense thirst, fast pulse and breathing. Tiredness and weakness; temperature up to 40°C. Treatment Move to shade or a cool place; loosen clothing. Lie them down and raise their legs. Sip plenty of water or a rehydration / sports drink. Cool the skin — fan or sponge; cold packs to neck and armpits. Should improve within 30 minutes. Heatstroke — call 999 Still unwell after 30 minutes, or getting worse. Hot skin, often no longer sweating; temperature 40°C+. Confusion, seizures or loss of consciousness. Cool aggressively and evacuate — a medical emergency. Mountain Cards First-aid reference
Use of this tool is offered on the condition of a donation to Severn Area Rescue Association .