Monthly Archives: October 2012

Mobile EMR, Part III

This is continuation of previous posts Mobile EMR, Part I and Mobile EMR, Part II

We’ve met with Mr.Tufte and demo’ed this EMR concept. He played with it for a while and suggested list of improvements, from his point of view.

‘All Data’ charts

Edward Tufte insists that sparklines work better than dots. It is OK that sparklines will be of different sizes. It is natural that each measurement has its own normal range. Initially we tried to switch the charts to the lines, but then we rolled back. Seems that we should make this feature configurable, and use sparklines by default. But if some MD wants dots, she can manually switch it in app settings.

Partially our EMR concept has been switched to sparklines – for display of Vital Signs. Below is a snapshot:

Vital Signs

One more thing related to the Vital Signs, we did great by separating on the widget on top, and grouping them together. It adds much value, because they are related to each other. It is important to see what happened to them at each moment. Our approach, based on user testing, appeared to be a winning one!


Current use of the space could be improved even more. First reason is that biggest value of that research was keeping ‘All Information’ on single screen. Human eye recognizes perfectly which type of information is needed. All space is tessellated into multiple locuses of attention. Then human eye locks the desired locus and then focuses within that locus. Second reason is iPad resolution. We can squeeze more from retina resolution without degradation of usability (like size of labels and numbers). It is possible to scale to the newspaper typography on iPad, hence fit more information into the screen estate.


This confirms the modern trend to genetics and genetic engineering. Genogram is a special type of diagram, visualizing patient’s family relationships and medical history. In medicine, medical genograms provide a quick and useful context in which to evaluate an individual’s health risks. Many new treatments are tailored by genotype of the patients. E.g. Steve Jobs’s cancer was periodically sequenced and brand new proteins where applied, to prevent disease spread. All cells are built from the proteins, reading other proteins as instructions. This is true for the cancer cells. Thus if they read instructions from fake proteins, then they can not build themselves properly. We like this idea immediately, because its value is instant and big, its importance is as high as allergy. Below is sample genogram, using special markers for genetically influenced diseases.

Sample Genogram

There are other cosmetic observations which will be improved shortly. We continue usability testing with medical doctors. More to come. It could be Mobile EMR on iPhone. Stay tuned.

UPDATE: Continued on Mobile EMR, Part IV.

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