The GIDEON Tutorial
DIAGNOSIS 2 - COMPARE
You may have noted that we only entered a
few symptoms and signs. What additional information would help GIDEON sharpen
the diagnosis in this case. The Compare 
option
allows you to access further discriminative findings which would distinguish
among the listed diseases (2-or-more at a time; or all together). Simply mark
the diseases in question using the mouse, and press Compare. In this case, I
have chosen to compare all of the diseases. Note from the resulting list that
GIDEON considers an Ingestion history and Cough to be key discriminative
findings in this case (ie, listed first in this screen). Also note that
additional clues for each disease are listed at the bottom of the chart.
Do you remember the rats which entered our patient's tent? Go back to the Diagnosis screen and scroll down to 'Exposure'. and click +, then + for 'Animal' and Check for 'Rodent'. It should look as follows:
If you press, 
once again, you will now access the following screen:
In essence, you have 'told' GIDEON to limit diagnoses to those associated with rodents. Similarly, you might have changed the country name – i.e., what diseases should we consider if a patient returns from Romania with identical signs and symptoms?
Next: Diagnosis 3 - Info
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