belden nist 13_july2010

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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. Ecient interacNons 6. Forgiveness

h3p://bit.ly/UsabilityHIMSS

7. Feedback 8. EecNve use of

language

9. EecNve 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

Ecient InteracNons

Dashboard efficiency Ecient InteracNons

Ecient InteracNons

6 minutes

50 Clicks

Ecient 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 Conrm changes that arent 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

EecNve Use of Language

Plain English for paNent

Terse for doctor

EecNve InformaNon PresentaNon

EecNve InformaNon PresentaNon Sorted alphabetically, not randomly

Better yet, allow sort by other criteria, too

Filtered for cardiology

EecNve 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 shbone vs. data table

A B

Compare: eciency, eecNveness, safety, delight

Sparklines

Bullet graph / small mulNples

Small mulNples

QuesNons?

Je Belden MD | beldenj@health.missouri.edu