
88
Measurement
menu
Submenu
Unit
Measurement method/
Measurement formula
Comments
Pul. vein SD
Formula
:
SD
=
Vs/Vd
ARV
cm/s
See M speed measurement
ARD
s
See M time measurement.
6.29
PW vascular measurement
Press
[Calc]
to enter PW measurement in PW vascular mode, or press the corresponding parameter control button to
change the vascular item.
Measurement
menu
Submenu
Unit
Measurement method/
Measurement formula
Comments
Subclavian A
Prox CCA
Mid CCA
Distal CCA
Bulb
Prox ICA
Mid ICA
Distal ICA
ECA
Vertrebral A
General
measurement
Vs
cm/s
See M speed measurement
Pressure(s)
mmHg
Formula
:
Pressure
=
4×Vs×Vs/10000
Vd
cm/s
See M speed measurement
Pressure(d)
mmHg
Formula
:
Pressure
=
4 × Vd × Vd
/10000
VMid
cm/s
See M speed measurement
Pressure (VMid)
mmHg
Formula
:
Pressure = 4 × VMid x
VMid /10000
TVI
cm
SD
Formula
:
SD =Vs/Vd
RI
Formula
:
SD
=
(Vs-Vd)/Vs
PI
Formula
:
SD
=
(Vs-Vd)/VMid
HR(single wave)
bpm
6.30
PW urology measurement
See PW general measurement.
6.31
PW small parts measurement
See PW general measurement.
6.32
PW paediatrics adjustment
See PW general measurement.