Heat Related Conditions

Question 1

What are the effects of Raised Body Temperature? (4)

Answer 1

Increased blood flow- leading to increased sweat production.

If the blood cannot be cooled, body temperature rises

Causes more sweat to be produced- leading to dehydration.

Failed cooling causes the body’s temperature to rise to potentially critical, fatal levels.

Question 2

What are the contributing factors of heat illness? (6)

Answer 2

Overexertion through physiological stress.
Exposure to high temperatures
Humidity
Inappropriate clothing or PPE
Dehydration
Medical conditions/ medication

Question 3

What are the Psychological effects of heat illness? (4)

Answer 3

Anxiety

Poor decision making

Mental confusion

Over estimating personal capabilities

Question 4

What are the Physiological Effects of Heat Illness (4)

Answer 4

Work Rate Increases

Performance Drops

Fatigue

Impaired Manual Dexterity

Question 5

Name the 3 heat related conditions

Answer 5

Heat Stress

Heat Exhaustion

Heat Stroke

Question 6

What are the symptoms of heat stress? (4)

Answer 6

Fatigue

Heat Syncope (fainting)

Swelling of feet and ankles

Heat cramps

Question 7

What are the symptoms of heat exhaustion (9)

Answer 7

Headache

Dizziness

Nausea

Vomiting

Irregular pulse

Hypotension

Sweating

Muscle Pain

Weakness and Cramps

Question 8

Define Heat Stroke

Answer 8

A failure of the Thermostat in the brain. At body temperatures above 40°c, a person’s mental functions are disturbed.

Question 9

What are the symptoms of Heat Stroke (11)

Answer 9

Headaches, Extreme Fatigue, Fainting, Facial Flushing
Vomiting and Diarrhoea
Hot , dry skin
Irregular pulse, Hypotension (low blood pressure)
Irregular breathing
Seizures
Unconsciousness

Question 10

How should heat illnesses be treated? (4)

Answer 10

Move the casualty to a cool, shaded, place.
Cool the casualty
Remove Casualties PPE
Rehydration by drinking cool, still water.

Question 11

After an ambient BA wear, how long should you rest, and how much water should be consumed?

Answer 11

30 Mins rest, 500ml Water

Question 12

After a hot and humid BA wear, how long should you rest, and how much water should be consumed?

Answer 12

60 mins rest, 1000ml water

Question 13

How can we help prevent the effects of heat illnesses? (4)

Answer 13

Fitness
Nourishment and hydration
Withdraw if signs of heat stress are noticed,
Know that it is you and not the set that is the limiting factor.