User's Manual

Using Vscan Extend
5-122 Vscan Extend – User Manual
5721203-100
Rev. 13
Additional reference information
Accuracy for EF and volumes has been determined by
comparing the results obtained by LVivo EF to an average of
readings obtained by manual tracing of the same clip by 4 expert
sonographers. The manual measurements were performed on
the Echo PAC clinical workstation using Mod. Simpson's method
for single plane.
Table 5-8: LVivo EF measurement accuracy values
Measurement/
Calculation
Accuracy Range
EF +/- 15 percentage points with
-3 percentage points bias
20-80 percent
EDV +/- 35 ml 60-240 ml
ESV +/- 35 ml 15-140 ml