Emergency First Aid at Work V6
Channel: Dave Summers
Date: 2020-12-31

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How would you recognise someone who was choking?
Difficulty in speaking and breathing
Congestion of the face and neck (initially)
Clutching at the throat and pointing to the mouth
Pale, grey/blue in the later stages (cyanosis).

Blood

Plasma
The fluid component of the blood

Platelets
Aid the blood to clot

Red cells
Carry Haemoglobin that binds the oxygen

White cells
Manufacture antibodies and fight infection & bacteria. 

What could cause the circulatory system to fail?
Failure of the heart
Blood and fluid loss, internally and externally
Poor circulation
A fall in blood pressure
Lack of oxygen in the blood (hypoxia)

Shock is best described as circulatory failure or collapse when the arterial blood pressure is too low to provide an adequate blood supply to the tissues

This can be brought on by:
A severe loss of blood from internal & external bleeding, or from a loss of bodily fluid due to burns or excessive vomiting and diarrhoea.  (Hypovolaemic Shock)

A reduced blood supply or activity of the heart, as with a heart attack or coronary thrombosis (Cardiogenic Shock)

A widespread dilation of the veins with insufficient blood to fill them, which can be brought on by bacteria or chemical toxins. (Toxic Shock)

Injury to the spinal cord or severe head trauma that damages the nerves controlling circulation and the changes in blood pressure (Neurogenic Shock)

Emotional shock is an over-stimulation of the vagus nerve, which can be caused by pain, fright and emotional distress. With this type of shock the blood pressure is lowered. The pulse rate will be slow as in fainting.

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For More Information About Online Level 3 Award in Emergency First Aid in The Workplace Please Go To:
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For More Information About Online Level 3 Award in Emergency First Aid in The Workplace Please Go To:
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