Document Detail

Anesthesia alarms in context: an observational study.
MedLine Citation:
PMID:  11474765     Owner:  NLM     Status:  MEDLINE    
This paper surveys current work on the design of alarms for anesthesia environments and notes some of the problems arising from the need to interpret alarms in context. Anesthetists' responses to audible alarms in the operating room were observed across four types of surgical procedure (laparoscopic, arthroscopic, cardiac, and intracranial) and across three phases of a procedure (induction, maintenance, and emergence). Alarms were classified as (a) requiring a corrective response, (b) being the intended result of a decision, (c) being ignored as a nuisance alarm, or (d) functioning as a reminder. Results revealed strong effects of the type of procedure and phase of procedure on the number and rate of audible alarms. Some alarms were relatively confined to specific phases; others were seen across phases, and responses differed according to phase. These results were interpreted in light of their significance for the development of effective alarm systems. Actual or potential applications of this research include the design of alarm systems that are more informative and more sensitive to operative context than are current systems.
F J Seagull; P M Sanderson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Human factors     Volume:  43     ISSN:  0018-7208     ISO Abbreviation:  Hum Factors     Publication Date:  2001  
Date Detail:
Created Date:  2001-07-27     Completed Date:  2001-08-30     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0374660     Medline TA:  Hum Factors     Country:  United States    
Other Details:
Languages:  eng     Pagination:  66-78     Citation Subset:  IM; S    
University of Illinois at Urbana-Champaign, USA.
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MeSH Terms
Anesthesia, General / instrumentation*
Equipment Design
Equipment Failure*
Monitoring, Intraoperative / instrumentation*
Nurse Anesthetists / psychology
Problem Solving

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