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Listen carefully: The risk of error in spoken medication orders

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journal contribution
posted on 28.02.2011 by Bruce L. Lambert, Laura Wallsh Dickey, William M. Fisher, Robert D. Gibbons, Swu-Jane Lin, Paul A. Luce, Conor T. McLennan, John W. Senders, Clement T. Yu
Clinicians and patients often confuse drug names that sound alike (Hicks, Becker, & Cousins, 2008). We conducted auditory perception experiments to assess the impact of similarity, familiarity, background noise and other factors on clinicians’ and laypersons’ ability to identify spoken drug names. Accuracy increased significantly as the signal-to-noise (S/N) ratio increased, as subjective familiarity with the name increased and as the national prescribing frequency of the name increased. For clinicians only, similarity to other drug names reduced identification accuracy, especially when the neighboring names were frequently prescribed. When one name was substituted for another, the substituted name was almost always a more frequently prescribed drug. Objectively measurable properties of drug names can be used to predict confusability. The magnitude of the noise and familiarity effects suggests that they may be important targets for intervention.

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Publisher Statement

Post print version of article may differ from published version. The definitive version is available through Elsevier at DOI: 10.1016/j.socscimed.2010.01.042

Publisher

Elsevier

Language

en_US

issn

0277-9536

Issue date

01/05/2010

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