Download - 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
What is usability? EMR
^
Usability is…
10 Principles
1. Simplicity
2. Naturalness 3. Consistency 4. Minimizing cogniNve
load 5. Efficient interacNons 6. Forgiveness
h3p://bit.ly/UsabilityHIMSS
7. Feedback 8. EffecNve use of
language
9. EffecNve informaNon presentaNon
10. PreservaNon of context
Simplicity
For doing refills
For overview only
Simplicity
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
• Have it both ways
Hover to see more detail
Efficient InteracNons
Dashboard efficiency Efficient InteracNons
Efficient InteracNons
• 6 minutes
50 Clicks…
Efficient InteracNons
• 1-‐2 minutes
2 Clicks…
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
• user clicks • long, slow database call ensues…
Imagine this scenario
Acceptable
Be`er
Please wait while we check 10,357 records…
Best
Please wait while we check 10,357 records…
Time remaining… 8 seconds
EffecNve Use of Language
Plain English for paNent
Terse for doctor
EffecNve InformaNon PresentaNon
EffecNve InformaNon PresentaNon Sorted alphabetically, not randomly
Better yet, allow sort by other criteria, too
Filtered for cardiology
EffecNve Info PresentaNon
Highlighted for cardiology
PreservaNon of Context
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
