First Aid for shock:

The signs of shock may appear right away or not show up for an hour or more. The signs of shock are: (1) Pale, cool, clammy skin; (2) Weak and rapid pulse and; (3) General body weakness.

Then do these things immediately:

Keep the person lying down and cover him lightly. If the person is lying on the ground or floor, place a blanket over him to keep him from losing heat from his body. If the injury is severe, then raise the person's feet 8 to 12 inches above the level of his chest and head. Unless there is a head injury, broken bones he is having trouble of breathing.

Causes of shock:

Shocks can be developed when the heart pump fails to work properly; causing a reduction in the pressure of circulating blood.Mostcommon cause of this type of shock is a heart attack. Shock can develop as a result of a reduction in the volume of fluid circulating around the body. The most examples of this are external or internal bleeding, or loss of other bodily fluids through severe diarrhoea, vomiting, or burns. The blood supply is diverted from the surface to the core of the body. The main symptoms and signs of shock relate to such redistribution of the circulation

Recognition of shocks:

A rapid pulse.
Sweating and cold, clammy skin.

As shock develops there may be:
weakness
thirst
rapid shallow breathing
sometimes vomiting

Treatment of shock:
Do not the let the casualty move unnecessarily, eat, drink, or smoke. And we shouldn't leave the casualty unattended.
Lay the casualty down keeping his head down.
Raise and support the causality's leg.
Loosen the tight clothing, straps and belts in order to reduce constriction at the neck.
Check the record breathing, pulse, and level of response.

The danger from an electrical shock depends on how high the voltage is, we shouldn't touch the victim who's in touch with electric shock first try to cut of the source from where the current is coming. If touching the person who's in touch with current if you touch him without switching the power the current may pass you also.

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