Measurement Accuracy Performing an Exam
Lumify Ultrasound System 97
Philips Healthcare 4535 618 58571_A/795 * MAY 2016
If you want to make a measurement and then annotate it, make sure that your device's full-
screen view is disabled. If full-screen view is enabled on your device, the measurement is
hidden when you touch
. To restore the measurement, touch . You can, however,
make an annotation on a measurement in Lumify full-screen view (see “Annotation” on page
99 and “Full-Screen View” on page 96).
1. Obtain the 2D image you want to measure and touch .
2. Touch Measure . The word Distance and an initial value appear at the top of the
image.
3. Touch the first caliper and drag to position it.
4. Touch the second caliper and drag to position it. The results update as the distance
between the calipers changes.
5. To save an image with the distance shown, touch Save Image .
6. To remove the measurement, touch Measure .
Measurement Accuracy
You can use the ultrasound system to make measurements on ultrasound images. The
measurements are then used with other clinical data to make a diagnosis.
Making a diagnosis based solely on measurements is not recommended. There are numerous
factors to consider when using quantified data from any ultrasound imaging system. A careful
analysis of those factors indicates that the accuracy of each measurement is highly dependent
on image quality. Image quality in turn is highly dependent on system design, operator scanning
technique, familiarity with system controls and, most important, patient echogenicity.
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