Chison ECO 6 - Page 99

ECO 6 Digital Color Doppler Ultrasound System
86
MV A Vel
cm/s
Refer to PW Velocity Meas.
Formular:
MV A PG=4*MV A Vel*MV A
Vel/10000
E/A=MV E Vel/MV A Vel
A/E=MV A Vel/MV E Vel
MV VTI
Refer to PW Trace Meas.
Formular:
MV PGmax=4*MV Vmax*MV
Vmax/10000
MV PGmean=4*MV Vmean*MV
Vmean/10000
MV SV=0.785*MV Diam*MV
Diam*|MV VTI|
MR Fraction=MR Flow/MV
SV*100
MVA(PHT)
Formular:
MV PHT=(-1)*0.3*VPeak/Slope
MVA PHT=220/MV PHT/1000
MVA(VTI)
Formular:
MV(VTI)=π *|LVOT VTI*LVOT
Diam*LVOT Diam|/MV VTI/4
MV E Dur
s
Refer to PW Time Meas.
MV A Dur
s
Refer to PW Time Meas.
MV DecT
s
Refer to PW Time Meas.
MR Vmax
cm/s
Refer to PW Velocity Meas.
Formula:
MR PGmax=4*MR Vmax*MR
Vmax/10000
MR VTI
Refer to PW Trace Meas.
Formula:
MR PGmax=4*MR Vmax*MR
Vmax/10000
MR PGmean=4*MR
PGmean*MR PGmean/10000
dp/dt
Formula:
dp/dt=32/Time
IVRT
s
Refer to PW Time Meas.
IVCT
s
Refer to PW Time Meas.
Aortic
AV Vmax
cm/s
Refer to PW Velocity Meas.
Formular:
AV PGmax=4*AV Vmax*AV
Vmax/10000
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