Introduction
Shock is a life threatening condition
that occurs when the vital organs, such as the brain and heart, are
deprived of oxygen due to a problem affecting the circulatory
system.
Recognition and treatment
Look for
- Pale face
- Cold, clammy skin
- Fast, shallow breathing
- Rapid, weak pulse
- Yawning
- Sighing
- In extreme cases, unconsciousness.
Lay the casualty down with legs raised
- Treat any possible causes of shock
- Help them to lie down
- Raise and support their legs
- Loosen tight clothing
- Keep them warm.
Call for help
- Call 999/112 for emergency help.
More information about shock
The most common cause of shock is blood
loss but it can also be caused by other fluid loss such as
vomiting or severe burns. Shock can
occur when the heart has been damaged by heart attack or angina and is unable to pump an
adequate supply of oxygen to the body.
Related topics
Next steps
Take a first aid course
The advice provided in this section is no substitute for proper
first aid training.
St John Ambulance holds first aid courses throughout the
country. The following courses cover this topic:
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