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Operation Manual
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% StD (Stenosis Distance)
Measure the diameter of a blood vessel.
1.
Select the %StD menu and the rst cursor will appear in 2D Mode.
2.
Measure the total diameter of a blood vessel using the Distance measurement method.
3. When the second cursor appears, measure the diameter of the vessel’s inner wall under stenosis.
%Stenosis Dist. = (Outer Distance – Inner Distance) / Outer Distance × 100
Heart Rate Measurement
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HR (Heart Rate)
You can calculate heart rates for a certain period of time.
1. Select HR in the Measurement menu. A bar appears allowing you to specify a measurement area.
2.
Specify the measurement range.
X
Place the bar at a desired position with the trackball, and press the Set button.
3.
The system measures the heart rate within the specified range automatically. The measurement
results are displayed on the screen.
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