Belden nist 13_july2010

EHR usability: an illustrated guide

My comments •  10 principles of usability, illustrated •  Build Style Guides & Galleries •  Foster research on visual display

EMR What ^s usability? i

Usability is…

10 Principles 1.  Simplicity 7.  Feedback 2.  Naturalness 8.  EffecNve use of 3.  Consistency language 4.  Minimizing cogniNve 9.  EffecNve informaNon load presentaNon 5.  Efficient interacNons 10. PreservaNon of context 6.  Forgiveness h3p://bit.ly/UsabilityHIMSS

Simplicity

Simplicity For doing refills For overview only

Naturalness

Naturalness Old way – lots of drill-down clicking

Naturalness Better way we know the body already

Consistency

Consistency Name and identifying info consistently placed

Minimizing CogniNve Load

Minimizing CogniNve Load Exact past dates •  This requires mental math

Minimizing CogniNve Load Relative past dates •  Easier. No extra thinking.

Minimizing CogniNve Load Hover to see more detail •  Have it both ways

Eﬃcient InteracNons

Eﬃcient InteracNons Dashboard efficiency

Eﬃcient InteracNons 50 Clicks… •  6 minutes

Eﬃcient InteracNons 2 Clicks… •  1-‐2 minutes

Forgiveness

Forgiveness exploring without fear of destroying recovering gracefully from mistakes

Forgiveness A negaNve example…

Feedback

Feedback •  Show expected delays •  Conﬁrm changes that aren’t evident

Feedback Imagine this scenario • user clicks • long, slow database call ensues…

Acceptable

Be`er Please wait while we check 10,357 records…

Best Time remaining… 8 seconds Please wait while we check 10,357 records…

EﬀecNve Use of Language

Terse for doctor Plain English for paNent

EﬀecNve InformaNon PresentaNon

EﬀecNve InformaNon PresentaNon Sorted alphabetically, not randomly Better yet, allow sort by other criteria, too

EﬀecNve Info PresentaNon Highlighted for cardiology Filtered for cardiology

PreservaNon of Context

And what medication is he/she taking? And what are the weight and BP doing?

Build Style Guides and galleries

Usability.gov

Microsob Health Common User Interface

UI Design Pa`erns

Apple Human Interface Guidelines

Visual display of data research agenda

Lab ﬁshbone vs. data table

A B Compare: eﬃciency, eﬀecNveness, safety, delight

Sparklines

Bullet graph / small mulNples

Small mulNples

QuesNons? Jeﬀ Belden MD | beldenj@health.missouri.edu

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Belden nist 13_july2010

by Jeff Belden MD on Jul 14, 2010

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