Shock

  Shock is any condition in which the circulatory system is unable to provide adequate circulation to the vital body organs such as the brain, heart and lungs. As a result of the disease in the blood pressure shock is usually accompanied by renal failure, as a normal compensatory mechanism because to keep enough blood to vital organs. If the condition is not treated quickly, the vital organs can fail, ultimatelty causing death. Shock is made worse by fear and pain.
Causes of shock are severe or extensive injuries, severe pain, loss of blood, severe burn, electric, exposure to extreme heat and cold, emotional stress, fright, etc.

Symptoms of shock includes increase heart rate as a result of baro-reflex, pale of skin, cold and clammy skin, dizziness, sweating, fainting, pupils are dilated, unconsciousness may develop, etc.
First aid management for shock are pointing victim by head down position, maintain airway, breathing and circulation, loosen tight clothing, check the vital signs, do not let the victim move unnecessarily and refer to hospital immediately.