A pre-use check to ensure the correct functioning of anaesthetic
equipment is essential to patient safety. The anaesthetist has a primary
responsibility to understand the function of the anaesthetic equipment and
to check it before use. Anaesthetists must not use equipment unless they
have been trained to use it and are competent to do so. A self-inflating bag
must be immediately available in any location where anaesthesia may be
given. A two-bag test should be performed after the breathing system,
vaporisers and ventilator have been checked individually. A record should
be kept with the anaesthetic machine that these checks have been done.
The ‘first user’ check after servicing is especially important and must be
recorded.