Table 2

The most frequent incidents*

*This list includes both human error and equipment failures. Note that these somewhat arbitrary categories encompass only 39% of the total database, with the remainder representing a larger variety.
†See text for special nature of anesthesia machines involved.
Breathing circuit disconnection27
Inadvertent gas flow change†22
Syringe swap19
Gas supply problem15
Intravenous apparatus disconnection11
Laryngoscope malfunction11
Premature extubation10
Breathing circuit connection error†9
Tracheal airway device position changes7