Expectations Speed Safety Simplicity Reduce cost Up to date information Advanced decision support Control
Not a drug ordering system Mimicking the paper behavior is easy
New types of errors
Pick-list errors thiamine -> thalidomide
Double medication Drug names
[drug name] 50mg/ml 200ml 2ml three times a day
“clever” usage Hints for unknown dose
Important that the foundation is sound
Prescription model Tablets 80% Creams Drops Mixtures Injections / infusions Diabetic treatment schemes Anticoagulation Fluid treatments ...
Drug model
Sign / symptom
Drug 1 Drug 2 Drug 3
Tablet Mixture InfusonSup. Capsule
10mg 20mg 50mg
Brand1 Brand4Brand3Brand2
Drug model
10 tablets 20 tablets 50 tablets 100 tablets
Design principlesSafety features
Passive safety Consistency Color scheme User fatigue prevention
Active safety Pharmacy review
Decision support Prescription assistance DAX
Passive safety
User fatigue prevention Guide the user Eliminate the need to catch errors No popups! Consistency is everything Neutral colors if no warnings
Yellow/green for warnings Red for serious warnings Blinking for extreme danger
The “no magic” rule
Active safety
Pharmacy review Various rules prompting a clinical pharmacist to review certain
patients
Overdosing Subset of drug-drug interactions Specific medicines Specific patients …
Decision support
Prescription assistance Overdose warnings Drug predictions Dose predictions PRN predictions Default prescription pattern algorithms
DAX
DAX
Drug warnings Drugs and driving Sport Photosensitivity QT interval Addiction Pregnancy Lactation
Drug – drug interactions Double medication warnings Allergy engine
The laws of simplicity / John Maeda
Simplicity is about subtracting the obvious, and adding the meaningful.
Interface - Spring cleaning