First aid; Shock and dismay. What are they?

A shock and fainting occur as a result of the lack or decreased blood supply to tissues that not enough oxygen. When the brain receives an adequate supply of oxygen produces a feeling of weakness, disorientation and dizziness.

• Shock can occur after an accident in which blood has been lost too.
  
  
• After a severe infection with fluid loss.
  
  
• After a severe burn .
  
  
• Other processes that occur after loss of fluids or blood.
  
  
• When blood flow is too slow, low blood pressure and too little oxygen circulating through the body.
  
  

When this happens, the person:

• It will remain pale.
  
  
• Begin to sweat and stay cool.
  
  
• They get dizzy.
  
  
• Will the weak and rapid pulse.
  
  
• Will have low blood pressure.
  
  
• Will the rapid, shallow breathing.
  
  
• You'll be nervous the intranquila.
  
  
• You can lose consciousness.
  
  

What if someone suffers a shock or faint?

First and whenever possible, we must treat the underlying cause:

• Monitor vital signs, treat the injury if possible and reassure the people.
  
  
• The person should lie on your back, preferably with your feet up, to ensure that enough blood reaches the brain.
  
  
• Make sure the person is warm, comfortable and covered by a blanket, if possible.
  
  
• Do not give anything to drink since it runs the risk of choking.
  
  
• If the person vomits or bleeds from the mouth, it should be side to prevent choking.
  
  
• Call an ambulance and evacuate the victim urgently. A person with a shock should always be seen by a doctor.