Chison ECO 2 - Page 99

ECO 2 Ultrasound Diagnostic System
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Meas.
Menu
Submenu
Unit
Meas. Method/
Meas. Formula
PR Vmax
cm/s
Refer to M speed meas.
PR Vmax Pressure
mmHg
Formula:
Pressure＝4×Vmax×Vmax/10000
Pul. Vein
Pul. Vein Vs
cm/s
Refer to M speed meas.
Pul. Vein Vd
cm/s
Refer to M speed meas.
Pul. Vein SD
Formula:
SD＝Vs/Vd
ARV
cm/s
Refer to M speed meas.
ARD
S
Refer to M time meas.
6.29 PW Vascular Measurement
Press [Calc] to enter PW measurement in PW vascular mode. Or press the corresponding
parameter control key to switch the vascular measurement item.
Meas. Menu
Submenu
Unit
Meas. Method/
Meas. Formula
Subclavian A
Prox CCA
Mid CCA
Distal CCA
Bulb
Prox ICA
Mid ICA
Distal ICA
ECA
Vertebral A
Vs
cm/s
Refer to M speed meas.
Pressure(s)
mmHg
Formula:
Pressure＝4×Vs×Vs/10000
Vd
cm/s
Refer to M speed meas.
Pressure(d)
mmHg
Formula:
Pressure＝4×Vd×Vd/10000
VMean
cm/s
Refer to M speed meas.
Pressure(VMean)
mmHg
Formula:
Pressure＝4×VMean×VMean/10000
TVI
Cm
SD
Formula:SD＝Vs/Vd
RI
Formula:SD＝(Vs-Vd)/Vs
PI
Formula:SD＝(Vs-Vd)/VMean
HR(Single wave)
bpm
6.30 PW Urology Measurement
Refer to PW general measurement.