In the second case, the amount of blood circulation may become reduced so that there is not enough blood left to supply all body cells with oxygen. This can result from external bleeding, internal bleeding or loss of body fluids following widespread burns or severe allergic reaction. The casualty may become very pale and grey. The skin is cold and moist with sweat. The pulse will be weak and rapid.
Breathing is shallow and fast.
The casualty may become restless and begin to yawn and sighing. The victim maybe thirsty. The victim may loose consciousness an die if the treament is successful. Treatment Stop external bleeding as soon as possible. Lay the casualty down and shelter her from any extremes of temperature.