Before comparing exams either in numerical or graphical form, the desired exams may need to be selected. The patient's four most recent exams, if available, will be selected by default.
To select and compare different exams on either comparison tab:
Click the Show button.
Select the exam date to be included in the comparison and click the Add button.
Repeat as needed for as many as three exams.
Select the radio button beside the desired measurement.
