Sec1.fa8 effects of heat

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Sec1.fa8 effects of heat

  1. 1. EFFECTS OF HEAT
  2. 2. EFFECTS OF EXTREME HEAT - HEAT EXHAUSTION Recognition  Feeling hot, exhausted and weak  Headache  Thirst and nausea  Giddiness and faintness  Pale, cool, clammy skin  Cramps in the arms, legs or the abdominal wall.  Rapid, weak pulse  Rapid breathing and shortness of breath
  3. 3. EFFECTS OF EXTREME HEAT - HEAT EXHAUSTION Treatment  Move casualty to a cool place with circulating air.  Lay casualty down and raise casualty’s legs.  Loosen tight clothing and remove unnecessary garments.  Sponge with cold water.
  4. 4. EFFECTS OF EXTREME HEAT - HEAT EXHAUSTION Treatment  Fan the casualty.  Monitor & record breathing and pulse rates and response every 10 minutes.  Even if casualty recovers quickly, ensure he sees a doctor.
  5. 5. EFFECTS OF EXTREME HEAT - HEAT STROKE When sweating, the body’s natural cooling system ceases and the body temperature may rise to 40°C or more. If not treated promptly by cooling the body and replacing fluids lost through excessive perspiration, heatstroke will develop.
  6. 6. EFFECTS OF EXTREME HEAT - HEAT STROKE Recognition  High body temperature of 40°C or more.  Flushed, dry skin.  Initially a pounding, rapid pulse which gradually weakens.  Headache, nausea and/or vomiting.
  7. 7. EFFECTS OF EXTREME HEAT - HEAT STROKE Recognition  Dizziness and visual disturbance.  Irritability and mental confusion.  Altered mental state which may progress to seizures and unconsciousness.
  8. 8. EFFECTS OF EXTREME HEAT - HEAT STROKE Treatment  Remove casualty to a cool place.  Remove all outer clothing.  Loosen tight clothing.  Keep casualty’s head and shoulders raised.  Wrap casualty with a cold, wet sheet and fan the casualty.
  9. 9. EFFECTS OF EXTREME HEAT - HEAT STROKE Treatment  If the casualty starts to shiver, wrap with a dry sheet and take temperature.  If temperature falls to 38C, stop active cooling.  Give frequent sips of cool water if casualty is fully conscious.
  10. 10. EFFECTS OF EXTREME HEAT - HEAT STROKE Treatment  If casualty becomes unconscious, place casualty in recovery position.  Call for an ambulance.

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