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IdentificationIf possible, find out whether there is a history of any of the following -
- Multiple fractures or trauma (including brain or spinal injuries)
- Severe bleeding
- Severe fluid loss (for example, from dehydration, burns or diarrhoea)
- Severe infection
- Allergic reaction
Stages of ShockInitially the casualty may have pale, cold and clammy skin and their breathing and heart rate increase.
As the condition continues, parts of their boddy (especially the lips) may take on a grey-blue colour and they may appear weak, dizzy and restless. They may complain of nausea and marked thirst and sweating.
When the supply of blood and oxygen to the brain decreases, you may identify enlarged pupils, drowsiness and yawning, confusion and a drift into unconsciousness.