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Case Reports Clinical Trial Controlled Clinical Trial
Continuous auditory monitoring--how much information do we register?
- R M Craven and A K McIndoe.
- Sir Humphry Davy Department of Anaesthesia, Bristol Royal Infirmary, UK.
- Br J Anaesth. 1999 Nov 1;83(5):747-9.
AbstractWe have studied response times of 30 anaesthetists to a standardized episode of arterial oxygen desaturation in a simulated patient, randomized to the use of either a fixed or variable pitch pulse oximeter. We wished to determine if a variable auditory signal was important in detecting adverse events. A variable pitch pulse signal had a shorter time to recognition of desaturation (P < 0.0001), with a mean response time of 32 s, compared with 129 s for the fixed pitch signal.
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