Doppler Analysis - Mitral Valve (D-Mv) - GE LOGIQ 500 Advanced Reference Manual

Advanced Cardiac Calculations
Doppler Analysis – Mitral Valve (D-MV)
Calc Mnemonic
MVOA Mitral Valve Orifice Area at
Diastole
PFVMV Peak Flow Velocity at the
Mitral Valve
PFVLA Peak Flow Velocity at Left
Atrium
ET Ejection Time
FVI Flow Velocity Integral
PHT Pressure Half Time
HR Heart Rate (beats/minute)
4–88
V
p
2
2
1
Figure 4–76. D-MV Measurements
Calc Name Input Measurements
one area (by ellipse, trace
or circle)
one velocity
one velocity
one time interval
flow velocities
one time interval
one 2 beat time
interval
Table 4–24. Mitral Valve (D-MV)
P
d
a
s
e
MVOA=a1[cm ^2]
PFV–MV=v1[cm/s or m/s]
PFV–LA=v1[cm/s or m/s]
ET=t1[ms or sec]
FVI[mm or cm]= sVdt
PHT=t1[ms orsec]
HR[BPM]=120 [sec]/ 2
beat time [sec]
LOGIQ 500 Advanced Reference Manual
F
O
R
Formula
2276614–100 Rev. 0