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Medical Emergency of the Day: Heatstroke

Overview

 
1. Heatstroke is the most severe of heat-related problems, after heat cramps and heat exhaustion. Heatstroke often results from exercise or heavy work in hot environments combined with inadequate fluid intake.
2. Young children, older adults, people who are obese and people born with an impaired ability to sweat are at high risk of heatstroke. Other risk factors include dehydration, alcohol use, cardiovascular disease and certain medications.
3. What makes heatstroke severe and potentially life-threatening is that the body's normal mechanisms for dealing with heat stress, such as sweating and temperature control, become inadequate. The main sign of heatstroke is a markedly elevated body temperature — generally greater than 104 F (40 C) — with changes in mental status ranging from personality changes to confusion and coma. Skin may be hot and dry — although if heatstroke is caused by exertion, the skin may be moist.

When to Call a Doctor

See your Doctor if:
S.no 
1.
The patient is having high temperature 104 F (40 C).
2.
Fainting.
3.
Having Seizures.

Actions to be taken

Other signs and symptoms may include:
S.no 
1.
Rapid heartbeat
2.
Rapid and shallow breathing
3.
Elevated or lowered blood pressure
4.
Cessation of sweating
5.
Irritability, confusion or unconsciousness
6.
Feeling dizzy or lightheaded
7.
Headache
8.
Nausea
9.
Fainting, which may be the first sign in older adults
If you suspect heatstroke:
S.no 
1.
Move the person out of the sun and into a shady or air-conditioned space.
2.
Call emergency medical help.
3.
Cool the person by covering with damp sheets or by spraying with cool water. Direct air onto the person with a fan or newspaper.
4.
Have the person drink cool water or other nonalcoholic beverage without caffeine, if he or she is able.