Edge Ultrasound System Betriebsanweisung Seite 68

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Seitenansicht 67
56 Exam-based calculations
To measure LVd and LVs
1 On a frozen 2D image or M Mode trace, press
the
CALCS key.
2 From the calculations menu, select the
measurement name.
3 Position the active (green) caliper at the
starting point. (See “Working with calipers”
on page 43.)
4 Press the
SELECT key, and position the second
caliper.
5 Press the
SELECT key.
Another caliper appears, and the calculations
menu highlights the next measurement name.
6 Position the caliper, and press the
SELECT key.
Repeat for each measurement name in the
calculation group.
Each time you press the
SELECT key, another
caliper appears, and the calculations menu
highlights the next measurement name.
7 Save the calculation. (See “To save a
calculation” on page 47.)
To measure Ao, LA, AAo, or LVOT D
1 On a frozen 2D image or M Mode trace, press
the
CALCS key.
2 From the calculations menu, select the
measurement name.
3 Position the calipers. (See “Working with
calipers” on page 43.)
4 Save the calculation. (See “To save a
calculation” on page 47.)
To calculate LV Volume (Simpson’s Rule)
1 On a frozen 2D image, press the CALCS key.
2 Do the following for each measurement:
a From the calculations menu, select the
desired view and phase.
b Position the caliper at the mitral annulus, and
press the
SELECT key to start the trace.
TV TRmax
(Doppler)
Vmax
PGmax
E (Doppler)
A (Doppler)
E
E PG
A
A PG
E:A
PHT (Doppler) PHT
MVA
Decel time
VTI (Doppler) VTI
Vmax
PGmax
Vmean
PGmean
RA pressure
c
RVSP
PV Vmax (Doppler) Vmax
PGmax
VTI (Doppler)
AT (Doppler)
VTI
Vmax
PGmax
Vmean
PGmean
AT
a. You can enter the HR measurement three ways: Patient
information form, Doppler measurement (See “To
calculate Heart Rate (HR)” on page 60), or M Mode
measurement (See “To measure heart rate (M
Mode)” on page 45).
b. Performed at 100 cm/s and 300 cm/s.
c. Specified on the cardiac patient report. See “To delete
a vascular or cardiac measurement” on page 72.
Menu
Heading
Cardiac
Measurements
(Imaging
Mode)
Calculation
Results
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