Shock is the result of a dramatic drop in blood pressure. It can follow massive loss of blood or fluids (the latter in the case of burns or prolonged vomiting). It can also occur as a result of anaphylactic shock.
Symptoms
Pale, cold skin, grey-blue in colour
Sweating
Nausea and thirst
Restlessness, yawning
Gradual loss of consciousness
First aid aims
Recognise and treat symptoms
Improve circulation
Arrange for casualty to attend hospital
Actions
Treat any obvious injuries
Reassure casualty, lie them down with their legs raised
Loosen any tight clothing to encourage circulation
Call 999
Warm the casualty with blankets, if possible
Further actions
Monitor casualty's breathing and level of response
This article was reviewed by the British Red Cross in April 2007.
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