User's Manual

Acclarix AX8 Diagnostic Ultrasound System User Manual Features
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Figure 7-7 ROI Box of Auto IMT
Figure 7-8 Measure Result of Auto IMT
7.3.2.2. Simpson’s (Method of Disks)
Simpson is a tool in Cardiac presets used to determine LV diastolic and systolic volumes, and
from that derive an ejection fraction.
To use the Simpson measurement:
1. Invoke the B-mode Measure function.
2. Select LV Simpson measurement on the touch screen and then select one measurement label
from A4C Dias., A4C Sys., A2C Dias., and A2C Sys.. A single caliper will be displayed on
the image field.
3. Move the caliper and press Set key to position the start point A at one end of left ventricular
long axis.