Belden nist 13_july2010

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Belden nist 13_july2010

  1. 1. EHR  usability:   an  illustrated  guide  
  2. 2. My  comments   •  10  principles  of  usability,  illustrated   •  Build  Style  Guides  &  Galleries   •  Foster  research  on  visual  display  
  3. 3. EMR What  ^s  usability?   i
  4. 4. Usability  is…  
  5. 5. 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  
  6. 6. Simplicity  
  7. 7. Simplicity For doing refills For overview only
  8. 8. Naturalness  
  9. 9. Naturalness Old way – lots of drill-down clicking
  10. 10. Naturalness Better way we know the body already
  11. 11. Consistency  
  12. 12. Consistency   Name and identifying info consistently placed
  13. 13. Minimizing  CogniNve  Load  
  14. 14. Minimizing  CogniNve  Load   Exact past dates •  This requires mental math
  15. 15. Minimizing  CogniNve  Load   Relative past dates •  Easier. No extra thinking.
  16. 16. Minimizing  CogniNve  Load   Hover to see more detail •  Have  it  both  ways  
  17. 17. Efficient  InteracNons  
  18. 18. Efficient  InteracNons   Dashboard efficiency
  19. 19. Efficient  InteracNons   50 Clicks… •  6  minutes  
  20. 20. Efficient  InteracNons   2 Clicks… •  1-­‐2  minutes  
  21. 21. Forgiveness  
  22. 22. Forgiveness   exploring  without  fear  of  destroying   recovering  gracefully  from  mistakes  
  23. 23. Forgiveness   A  negaNve  example…  
  24. 24. Feedback  
  25. 25. Feedback   •  Show  expected  delays   •  Confirm  changes  that  aren’t  evident  
  26. 26. Feedback   Imagine this scenario • user clicks • long, slow database call ensues…
  27. 27. Acceptable  
  28. 28. Be`er   Please  wait  while  we  check   10,357  records…  
  29. 29. Best   Time  remaining…  8  seconds   Please  wait  while  we  check   10,357  records…  
  30. 30. EffecNve  Use  of  Language  
  31. 31. Terse  for  doctor   Plain  English  for  paNent  
  32. 32. EffecNve  InformaNon  PresentaNon  
  33. 33. EffecNve  InformaNon  PresentaNon   Sorted alphabetically, not randomly Better yet, allow sort by other criteria, too
  34. 34. EffecNve  Info  PresentaNon   Highlighted for cardiology Filtered for cardiology
  35. 35. PreservaNon  of  Context  
  36. 36. PreservaNon  of  Context  
  37. 37. And what medication is he/she taking? And what are the weight and BP doing?
  38. 38. Build  Style  Guides   and  galleries  
  39. 39. Usability.gov  
  40. 40. Microsob  Health   Common  User  Interface  
  41. 41. UI  Design  Pa`erns  
  42. 42. Apple  Human  Interface  Guidelines  
  43. 43. Visual  display  of  data    research  agenda  
  44. 44. Lab  fishbone  vs.  data  table  
  45. 45. A                                           B   Compare:   efficiency,  effecNveness,  safety,  delight  
  46. 46. Sparklines  
  47. 47. Bullet  graph  /  small  mulNples  
  48. 48. Small  mulNples  
  49. 49. QuesNons?   Jeff  Belden  MD  |  beldenj@health.missouri.edu  

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