
82
6.22.1
Velocity
See velocity of the general M mode measurement.
6.22.2
Time
See time of the general M mode measurement.
6.22.3
Heart rate
See heart rate of the general M mode measurement.
6.22.4
Auto trace
Measurement steps
:
1.
Move the trackball to select the start point of the single cycle and press the
[ENTER]
button to fix it.
2.
A second cursor "^" appears; move the trackball to the end point of the cycle and press the
[ENTER]
button to fix it.
3.
The measurement results are displayed on the monitor and other parameter values are also calculated.
6.22.5
Manual trace
Measurement steps:
1.
Move the trackball to select the start point of the single cycle and press the
[ENTER]
button to fix it.
2.
Move the trackball along the spectrum and press the [ENTER] button to complete the process.
3.
The measurement results are displayed on the monitor and other parameter values are also calculated.
6.23
PW quick measurement
Press the
[Dist]
button to enter PW quick measurement in PW mode. Press the corresponding parameter control button
to change the quick measurement point.
Measurement
menu
Submenu
Unit
Measurement method/
Measurement formula
Comments
Peak
Vs
cm/s
See M speed measurement
Pressure
mmHg
Formula
:
Pressure
=
4×Vs×Vs/10000
Vd
cm/s
See M speed measurement
Under pressure
mmHg
Formula
:
Pressure
=
4 × Vd × Vd
/10000
SD
Formula
:
SD =Vs/Vd
RI
Formula
:
SD
=
(Vs-Vd)/Vs
Time
s
See M time measurement.
HR
Single wave
bpm
See M HR measurement.
Auto
trace/Manual
trace
Vs
cm/s
See M speed measurement
Pressure
mmHg
Formula
:
Pressure
=
4×Vs×Vs/10000
Vd
cm/s
See M speed measurement
Under pressure
mmHg
Formula
:
Pressure
=
4 × Vd × Vd
/10000
VMid
cm/s
See M speed measurement
Pressure (VMid)
mmHg
Formula
:
Pressure = 4 × VMid x
Содержание Sonido Smart
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