First Aid

Chilblains

Chilblains, also called perniosis or blain, is a medical condition similar to frostbite or trench foot. Chilblains are caused by exposure of skin to damp cold. The cold causes constriction of the small blood vessels in the skin and if rewarming of the skin happens too rapidly, there is leakage of blood into the tissues as the …

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Burns

To distinguish a minor burn from a serious burn, the first step is to determine the degree and the extent of damage to body tissues. The three classifications of first-degree burn, second-degree burn and third-degree burn will help you determine emergency care: First-degree burnThe least serious burns are those in which only the outer layer …

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Blisters

Friction, minor injuries, pressure and burns all can cause blisters. Blisters can become a problem unless they are treated at the first sign of irritation, before a blister actually forms. Tape over a developing hot spot; the bandage should be sufficiently large that the tape touches only non-irritated skin. Once a blister has formed, apply a doughnut-type bandage to …

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Altitude Sickness

Altitude sickness (also called Acute Mountain Sickness or AMS) is a sickness linked with the low oxygen in the air at high altitudes. The sickness is often brought on by mountain climbing or travel in un pressurized aircraft. Persons with altitude sickness may feel dizzy, crabby, breathless, blissful, or having a headache. Older people and those with lung or heart disorders …

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