JSP 539 Climatic Injury The Prevention and Management of Heat Injury

Outline of Presentation What is Heat Injury? Signs and Symptoms Risks to the Armed Forces Individual Risk Factors Prevention Summary

What is Heat Injury? Your body temperature should be around 37oC If the body produces more heat than it can get rid of, the core temperature will rise Core temperature above 39oC = Heat Casualty Collapses on exertion Core temperature above 40oC = Heat Stroke Emergency action needed, death can occur

Signs and Symptoms Thirst Extreme tiredness Agitation Feeling sick or vomiting Staggering or loss of co-ordination Muscle cramps Disturbed vision Confusion Collapse or loss of consciousness

Risk Factors Overweight Lower physical fitness Dehydration Recent alcohol intake Illness Medication Poor nutrition Lack of sleep

Exertional Heat Illness Risk is increased for Service personnel due to: High levels of physical activity Training during high temperatures Protective clothing e.g. Helmets, CBRN IPE

How Do We Lose Heat?

Treatment STOP THE ACTIVITY, is anyone else at risk? Lie casualty down in the shade Immediately strip to underwear If conscious: raise feet, give water, fan and sponge or spray with cool water If unconscious: place in ¾ prone recovery position, fan and sponge or spray with cool water Evacuate IMMEDIATELY for medical attention

Prevention - Hydration Check urine colour – Should be light in colour and plenty of it Ensure you are hydrated prior to starting exercise / operations Always carry a full water bottle Avoid fizzy drinks and alcohol before and after operations/training Drink regardless of weather conditions

Summary Heat injury can kill! Know the early signs and symptoms Replacement of fluids is very important You can help yourself by: Keeping fit Eating well Getting a good nights sleep Be more aware when: The weather is hot Wearing protective clothing When physically active

Questions?