Document Detail

The introduction of an integrated early warning score observation chart-a picture paints a thousand words.
MedLine Citation:
PMID:  24556728     Owner:  NLM     Status:  In-Data-Review    
OBJECTIVES: Previous studies have demonstrated that abnormal physiological observations are often recorded on patients' observation charts but not acted on, with ensuing negative consequences. To address this issue within our hospital, traditional charts with a graphic depiction of observations were replaced with new charts combining early warning scores (EWS) with numerically depicted observations. However, the replacement did not include a graphic display of observations in the form of trend graphs. The present study compared the speed and accuracy of data interpretation between the 2 charts.
METHODS: Six clinical scenarios (low-grade temperature, spiking temperature, tachypnea, Cushing's response, hypovolaemic shock and normal observations) were identically depicted on old and new charts, creating 12 charts. One hundred health-care professionals were asked to study each of the charts, and the time taken to give a diagnosis was recorded. Time taken and accuracy of response were compared between the 2 charts.
RESULTS: The old chart was associated with faster responses in all of the scenarios, reaching statistical significance in 5 of the 6 scenarios (P < 0.0001). Additionally, the response was more accurate in all of the scenarios, reaching statistical significance in 3 of the 6 scenarios (P < 0.0001). Overall, response to the old chart was 1.6 times faster (P < 0.0001) and 15% more accurate (90% versus 75%, P < 0.0001) than the new chart.
CONCLUSIONS: Graphic display of data is associated with faster and more accurate assimilation of information. Hence, charts combining EWS with graphic portrayal of observation trends may contribute to earlier recognition of sick patients.
Kenneth Fung; Farrukh Khan; Joseph Dawson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of patient safety     Volume:  10     ISSN:  1549-8425     ISO Abbreviation:  J Patient Saf     Publication Date:  2014 Mar 
Date Detail:
Created Date:  2014-02-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101233393     Medline TA:  J Patient Saf     Country:  United States    
Other Details:
Languages:  eng     Pagination:  13-9     Citation Subset:  IM    
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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