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First
Aid Tips - ABC

This
is one of the principle checks in First Aid, and stands for:
A
: Airway - The passage from the nose and throat to the
lungs, which allows air containing oxygen to enter the body
during normal Respiration or Artificial Ventilation.
The main causes of an obstructed airway are:
- Conscious:
Food or other Foreign Body
- Unconscious:
Tongue or Epiglottis

B
: Breathing
- The casualty needs to be breathing for themselves, or
assisted in breathing, in order to
maintain oxygen in the body, particularly to the brain. The
body and brain in particular can normally only survive without
oxygen for a few short minutes before permanent damage or death
will result.
C
: Circulation - This is when the Heart is pumping blood
throughout the body at a sufficient rate to allow for the
exchange of gases ( Oxygen and Carbon Dioxide ). The signs
of Circulation include Pulse, Coughing, Breathing or any Movement.
Any
casualty who does not have A.B.C are in serious difficulty
and require immediate attention
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