What is it?

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
• go to the nearest hospital.
• Warm the casualty with blankets, if possible

Further actions

• Monitor casualty's breathing and level of response
• Prepare to offer resuscitation if necessary.