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Monday, August 7, 2017

Heat Stroke Or Heat Exhaustion


Heat Stroke Or Heat Exhaustion


Definition

• Heat exhaustion, such as heavy sweating, nausea, lightheadedness and feeling faint.

• Heatstroke is caused by prolonged exposure to high temperatures or by doing physical activity in hot weather. You are considered to have heatstroke when your body temperature reaches 104 F (40 C) or higher. High humidity, certain health problems and some medications increase your risk of heatstroke.



Causes
• Exposure to a hot environment.
• Wearing excess clothing
• Drinking alcohol, which can affect your body's ability to regulate your temperature.
• Becoming dehydrated, because you're not drinking enough water to replenish fluids you lose through perspiration.

Symptoms
· High body temperature. ( 40o C or 105o F )
· A lack of sweating.
· Nausea and vomiting.
· Flushed skin.
· Rapid breathing. Your breathing may become rapid and shallow.
· Racing heart rate.
· Headache. .
· Confusion. 
· Unconsciousness. 
· Muscle cramps or weakness.

Risk Factors

• Dehydration
• Infants & older people
• People who work long hours, outdoor
• Cardiovascular disorder
• Alcohol usage
• Medications

Complication

Complication of heatstroke is shock, which is a condition caused by a sudden loss of blood flow. Signs of shock include a very low blood pressure, blue lips and nails, and cool, clammy skin.



Treatment

• Remove the person to a shady place
• Cool the person by sponging with wet towel
• Apply ice packs in armpits and groin
• Victim must be rested
• If patient is conscious, give fluid or soft drink.
• Call for medical attention.


Prevention

• Drink plenty of fluids when working outdoors
• Avoid alcohol / coffee /soda
• Wear light weight, light- colored, loose-fitting clothes
• Protect yourself from the sun by wearing sun glasses and hat 
• Wear loose fitting, lightweight clothing.
• Wear light-colored clothing if you're in the sun. Dark clothing absorbs heat. Light-colored clothing can help keep you cool by reflecting the sun's rays.

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