How to deal with 'Sunstroke'?

What Is Heat Stroke?
Due to excessive sweating, there is a loss of salt and mineral from the body, which causes dehydration.
Heat stroke occurs when the body is not able to regulate its core temperature, which further causes increase in temperature of the body.
Heat stroke can be fatal.

Symptoms
Tiredness, high-grade fever, lack of sweating despite exposure to excessive heat, red, hot, and dry skin, rapid pulse rate, throbbing headache, giddiness, hypotension, nausea, fainting, and adverse effect on kidney, liver and brain.

Treatment
Fan air over the patient while wetting his/ her skin with water by sprinkling/ sponging.
Apply ice packs to patient's armpit, groin, neck, and back.
Immerse patient in a shower, a tub of cool water, or ice bath.
Take the patient to the nearest hospital.
In the absence of early treatment patient can die within two hours.

Who Are More Vulnerable?
Persons more than 60 years of age, children, obese persons, people with diabetes and hypertension are more vulnerable to heat stroke.
High temperature can be life-threatening for children and elderly if they are not given fluid support, in case of dehydration.