Kamis, 24 September 2009

Heat Injury



DEFINITIONS

Heat injury is a form of health problems that can occur due to failure to keep the body heat balance. The human body is always held metabolism. This will generate metabolic heat. As a body weight of the activity metabolism will also increase, so that body heat will increase. This is when the person doing heavy exercise in a hot environment, then a hot environment will further increase body heat, so the greater the risk of heat injury affected.

HEAT INJURY FORM

1. Seizures HEAT

Is because a lot of sweat that out, but it was much too electrolyte out so that the body of water and electrolyte deficiencies. Things like this can lead to seizures.

2. Collapsed from HEAT / HEAT SYNCOPE

Is a form of heat injury is the lightest. Due to lack of blood flow to the brain due to the increased body heat, your body will adjust to reduce body heat by blood vessels dilate. With the widening of blood vessels, excess body heat is released. As a result of dilation of blood vessels, so blood flow to the brain will be reduced so that it can cause a person becomes unconscious.

3. Fatigue HEAT / HEAT EXHAUSTION

Due to lack of body fluids and electrolytes, but the level is more severe than seizures or fainting.

4. Heat stroke / HEATSTROKE

Is the most severe disorders and a state of emergency, which is classified as organ failure diseases include overall circulatory disorders, nerve disorders, kidney dysfunction, liver and blood clotting disorders and transpiration.

SIGNS OF HEAT INJURY

1. Seizures HEAT

Signs: - numbness / muscle spasms / cramps in hands, feet and possibly stomach muscle spasms.

2. Fainting HEAT

Signs:

- A comprehensive fatigue

- Hypotension / low blood pressure

- Blurred vision

- Pale

- Excessive sweating

- Fainted after a moment realized

- Skin temperature increases


3. Fatigue HEAT

Signs:

- Sweat very much

- Stagger

- Pale

- Headache

- Nausea

- Talking gibberish / digress

- The tension down

- Rapid pulse and a weak (normal :60-80 times per minute)

- Sometimes unconscious

4. Heat stroke / HEATSTROKE

Signs:

- Increased body temperature

- Weak muscles

- Limb movement disorder

- Hallucinations

- Vomiting

- Diarrhea

- Rapid pulse and weak, sometimes impalpable

- The tension is very low

- Not aware

PREVENTION

1. USE OF EQUIPMENT WBGT

Because environmental factors such as environmental humidity and air temperature is very influential on body functions, it needs to be monitored by means of WBGT. Which is monitored by means of WBGT:

a. temperature

b. humidity

c. air movement

d. heat radiation environment

The tool is installed in the same location or adjacent to the gym. From the results of data from this instrument is used as a benchmark to determine the threshold of physical activity that may be performed in a hot environment. WBGT instrument data results in the show with a flag. Including:

a. Green Flag: all physical activity can be done

carefully.

b. Yellow Flag: physical activity should be done with

under careful supervision.

c. Red flag: physical activity on the coach and student

must be stopped.

d. Black flag: all physical activity both coaches, students

and personnel must stop.

2. UPGRADES KESAMAPTAAN

With health maintenance exercise program with gradually improved by applying the rules that apply in kaidaah exercise. Activities run and heavy activity during the day should not be done.

3. UPGRADES acclimatization

Acclimatization is the body's ability in adapting to different climates with the climate of the body are usually uyang. Heat acclimatization takes longer dibandingkankan cold acclimatization. In the first weeks, weight and duration of physical exercise should be limited and gradually increased to allow the body to undergo alkimatisasi. Every 20 minutes of exercise, rest 10 minutes. After the acclimatization, a person's body heat will make the adjustments so that the body can make the settings better sweat.

4. ADEQUACY water and electrolyte

At the time of physical activity, the body will issue means that the body also keringat.Ini fluid and electrolyte loss. If fluid and electrolyte loss is not immediately replaced it will cause dehydration and increase in body temperature that will result in heat injury. Hence, in the exercise in hot, adequate water is provided, should contain enough electrolytes.

In field exercises such heavy enough hurdles, etc. longmarch, peples plus oralit drinking water and drink every 20 minutes.

5. HEALTH

Students with poor health conditions such as a fever, sore infections, vomiting, diarrhea, etc., are not allowed to follow the practice field.

Flagging tape for students with health conditions less so easily monitored.

6. FOOD INTAKE AND DRINKING WATER

Food intake to meet nutritional and caloric needs, which is adjusted to the amount of calories for the exercise output.

Weight weighing done periodically to monitor the adequacy of intake of food and drinking water.

7. REST TIME

Required as the body recovery phase of exercise load and regeneration of body cells are damaged, so the body's process of adaptation to the burden of running a positive exercise.

Minimum of 8 hours a day, can be divided into 1 hour 7 day and night hours.

8. CLOTHING and completeness

Clothing (PDL) is made from materials that absorb sweat. Peples containing drinking water should be used any time students. If you do heavy activities, peples given oralit drinking water.

ACTIONS HELP

1. Move to the shade / cool / cold vehicle.
2. Rest your feet with a higher position.
3. Loosen clothing, remove all equipment
4. Monitor vital signs, free the airway and if necessary, 0.1% NaCl infusion and oxygen.
5. Immediately lower the heat to flush the water in the body and dikipas, cold compresses on the neck and armpits.
6. Give a drink of water mixed with oralit if still conscious.
7. If you are not aware, refer to the nearest hospital for further treatment.

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