U60 Diagnostic Ultrasound System User Manual Cardiac Measurements and Calculations
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Measurement items:
LVLd, LVALd , LVLs and LVALs,
To measure LV:
1. In the B-cardiac measurement menu, roll the trackball to highlight LV. Then select S-P
Ellipse and press Set.
2. During end diastolic, measure LVLd and LVALd respectively. The system calculates and
displays the result of EDV.
3. During end systolic, measure LVLs and LVALs respectively, by the method of generic B
mode distance measurement and generic B mode ellipse area measurement respectively. The
system calculates and displays the results of ESV, SV, and EF.
Dual plane ellipse (B-P Ellipse), Bullet, and Modified Simpson (Mod. Simpson)
The operations in these methods are similar to those in the single plane ellipse method. Please
refer to the relevant B mode generic measure method for details, and refer to the prompt
instruction to help you.
CO calculation is as below.
Measurement and input items:
Measure LV;
Key in: HR
To calculate CO:
1. In the B-cardiac measurement menu, roll the trackball to highlight Input. Then select the
submenu Heart Rate and press Set to display an HR input dialog box, as shown below.
Figure 9-6 HR Input Dialog Box
2. Input a suitable value in the HR (bpm) box.
3. Roll the trackball to highlight OK and press Set. After measuring LV, CO will be
displayed in the measurement result window.
MVCF calculation is as below.
Measurement and input items:
Measure: LV;
Key in: LVET
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