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Bio-medical Ontologies Maintenance and Change Management

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Design of an Online Physician-Mediated Personal Health Record System 277<br />

The Charting Engine can generate different types of charts. The charts may be<br />

viewed chronically by selecting the “yearly” option or in its entirety by selecting<br />

‘All’. In addition, in the current implementation, by default, the patients grants<br />

their primary physicians automatic approval to view their health charts <strong>and</strong> comments<br />

made.<br />

5.4 Annotate Personal Health Records<br />

There are two types of annotation we will demonstrate. In Fig. 7, panel a, we show<br />

a chronicle of blood sugar level changes for the patient. Note the data is integrated<br />

first with public database in which the normal range of blood sugar level may be<br />

looked up. This lookup content is used to automatically annotate each chronicle<br />

event regardless of the level “normal”, “high”, or “low”. When clicked on ‘Saved<br />

Notes’ link, the review comments saved by the patient will be displayed. The<br />

second type of annotation is provided by user as comments. Next to three blood<br />

sugar measurements, there are “Saved Notes” in the Patient’s Comments section.<br />

Clicking on the link on September 27, 2006, a patient will see or update his own<br />

notes, which can be saved again for future use.<br />

Fig. 7. A Health Event Chronicle from PHO the System Showing Blood Sugar Level (a)<br />

<strong>and</strong> Patient's Comments (b)<br />

5.5 Sharing PHR with Physicians<br />

By default in this implementation, patients automatically grant their primary physicians<br />

permission to view their health charts <strong>and</strong> comments made in the PHO.<br />

Therefore, a physician may be able to view each of his patient’s review comments,<br />

in addition to easy-to-underst<strong>and</strong> subsets of the EMR that the physician can already<br />

access. This feature facilitates an environment where the physician can<br />

(a)<br />

(b)

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