96 Chapter 4: Measurements and Calculations
Meas. & Calcs
Doppler Cardiac Calculations
The following table shows the measurements required to complete the desired cardiac
calculation.The cardiac measurements are done in PW Doppler and CW Doppler mode. For
definitions of acronyms, see “Acronyms” on page 211.
Table 15: Cardiac Calculations in Doppler
Anatomy Cardiac Measurement Calculation Result
MV (Mitral Valve) E
A
E
E PG
A
A PG
E:A
PHT (deceleration time) PHT
MVA
dP:dT dP:dT
LVOT (Left Ventricular
Outflow Tract)
VTI VTI
Vmax
PGmax
Vmean
PGmean
Vmax or VTI Vmax
PGmax
AV (Aortic Valve) VTI VTI
Vmax
PGmax
Vmean
PGmean
LVOT D in 2D
VTI or Vmax from LVOT
VTI or Vmax from aorta
AVA
VTI
LVOT D in 2D
SV
VTI
HR
LVOT D in 2D
CO
TV (Tricuspid Valve) TRmax TRmax
PGmax
dP:dT dP:dT
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