Comp 15 - Usability and Human Factors Unit 6a - Electronic Health Records and Usability This material was developed by Columbia University, funded by the.

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Comp 15 - Usability and Human Factors Unit 6a - Electronic Health Records and Usability This material was developed by Columbia University, funded by the Department of Health and Human Services, Office of the National Coordinator for Health Information Technology under Award Number 1U24OC

Why? Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring “ Usability is one of the major factors— possibly the most important factor— hindering widespread adoption of EMRs” strong, often direct relationship with clinical productivity error rate user fatigue user satisfaction, effectiveness, efficiency CCHIT or ARRA certification does NOT include usability as a criterion 3 reports (AHRQ, HIMSS, NRC) last year

Why? (cont.) Lack of usability and accessibility will result in: Lack of trust Potential abuse Lessons from electronic voting: No election has been proven to have been hacked However, usability has altered the outcome of an election User’s view of system conditioned by interface experience Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

What Is It? 1. Simplicity2. Naturalness3. Consistency4. Minimizing cognitive load5. Efficient interactions6. Forgiveness7. Feedback8. Effective use of language9. Effective information presentation10. Preservation of context Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

The State of the Art No official certification or guidelines specifically for EHRsEgregious bad design exists in current EHRsComplicated by: Vendor contracts forbidding customer to talk about their experience Lack of ability to publish (e.g. screenshots) can hinder scholarly research Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

State of the Art (cont.) AHRQ Report on Vendor PracticesWe’re not there yet Many legacy systems >10 years old (AHRQ, 2010) Standards are borrowed Best practices not defined Expectations unclear Communication is limited Formal usability testing rare Usability is perceived to be overly subjective Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

AHRQ: Report on Vendor Practices But…. Users involved in EHR design/review Vendors compete on usability [is this something that should be competed on? Not a basic requirement?] Users demand better products Plans for formal usability testing increasing Vendors willing to collaborate But…. –Users involved in EHR design/review –Vendors compete on usability [is this something that should be competed on? Not a basic requirement?] –Users demand better products –Plans for formal usability testing increasing –Vendors willing to collaborate Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

State of the Arguments Learned helplessness Some feel clinicians have ‘given up’ due to difficulty of getting things changed Administration vs. staff Vendor vs. users… Political and power struggle Or too limited clinician input at all phases, from design to rollout Lack of clinician input at design Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

AHRQ: Report on Vendor Practices “The field is competitive so there is little sharing of best practices to the community. The industry should not look towards vendors to create these best practices. Other entities must step up and define [them] and let the industry adapt.” “Products are picked on the amount of things they do, not how well they do them.” “There are no standards most of the time, and when there are standards, there is no enforcement of them. The software industry has plenty of guidelines and good best practices, but in HIT, there are none.” Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

The Bad and the Ugly Examples of egregious usability problems »(Silverstein, 2009) Related data far apart, requires user to click multiple times (‘clickorrhea’) –e.g. diastolic blood pressure 4 screens from systolic Diagnosis (Dx) lists with rare Dx at top, common at bottom, hidden terms –incorrect selection Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

What is Wrong With This Picture? Courtesy Dr. Scot Silverstein, Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

What is Wrong With This Picture? (cont.) Note the warning that there are no warnings about abnormal results "There are no indicator flags” Courtesy Dr. Scot Silverstein, Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

What is Wrong With This Picture? (cont.) Results section says "negative" and "results final” Most busy clinicians' eyes would stop there, especially in the wee hours Courtesy Dr. Scot Silverstein, Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

What is Wrong With This Picture? (cont.) Addendum to the report that the result is actually positive for MRSA, a drug-resistant infection No flag on that addition, yet during data entry at the lab, a flag was requested and seen by the reporting technician Courtesy Dr. Scot Silverstein, Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

What’s wrong Clinician forced to hunt around every result for indications of normalcy or abnormalcy Disparity between what is seen at the lab (abnormal addendum is flagged) and the clinician’s view Not fictitious: treatment delayed >24 hours until someone later noticed the addendum System is CCHIT certifiedOn paper, the wrong item could have been crossed out Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

More of the Bad Alphabetical problem list –Convenient for programmer, not for the doctor –Should prioritize by importance Courtesy Dr. Scot Silverstein, Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

More of the Bad (cont.) List auto-populated by system –Not editable by clinician –Patient does not have atrial fibrillation (entered by nurse to speed order) –Requires vendor to remove Courtesy Dr. Scot Silverstein, Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

More of the Bad (cont.) Multiple diabetes entries (incorrect) –Lack of controlled terminology mapping Useless information: –‘Medication use, long term’ –Clutters screen Courtesy Dr. Scot Silverstein, Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

More of the Bad (cont.) Repetition, extraneous information, lack of focus and clarity Lack of any symbolic or diagrammatic representations, and general clutter Courtesy Dr. Scot Silverstein, Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

More of the Bad (cont.) Courtesy Dr. Scot Silverstein, Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

More of the Bad (cont.) Forces user to keep track of columns with finger on screen Easy to confuse columns Courtesy Dr. Scot Silverstein, Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring

What is Wrong Here? Units (e.g. mg/dL) in every line, repetitious, distracting Lab panel components scattered Courtesy Dr. Scot Silverstein, Component 15/Unit 6a Health IT Workforce Curriculum Version 2.0/Spring