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Measurement Formulas
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LOGIQ 7/LOGIQ 7 Pro Advanced Reference Manual
Direction 5116269-100 Rev. 2
MV Area [Dimension]
Mode: 2D:CF:VR2D
Formula: 3.14/4*{MV Ann Diam}^2
Needs measurement: MV Ann Diam [Dimension]
Measured by: MV Ann Diam [2DCALIPER]
MV CI [Mitral Valve]
Mode: CW:PW:VRCW:VRPW
Formula: {MV Ann Diam}^2*0.785*{MV VTI}*{HR}/60/{BSA}
Needs measurement: MV Ann Diam [Mitral Valve], MV VTI [Mitral Valve], HR [Mitral Valve]
Measured by: MV Trace [SDMANTRACE]
MV CO [Mitral Valve]
Mode: CW:PW:VRCW:VRPW
Formula: {MV Ann Diam}^2*0.785*{MV VTI}*{HR}/60
Needs measurement: MV Ann Diam [Mitral Valve], MV VTI [Mitral Valve], HR [Mitral Valve]
Measured by: MV Trace [SDMANTRACE]
MV E/A Ratio [Mitral Valve]
Mode: CW:PW:VRCW:VRPW
Formula: {MV E Vel}/{MV A Vel}
Needs measurement: MV E Vel [Mitral Valve], MV A Vel [Mitral Valve]
Measured by: MV A Vel [SDPTCALIPER], MV A Vel [AUTOCALC]
MV SI [Mitral Valve]
Mode: CW:PW:VRCW:VRPW
Formula: {MV Ann Diam}^2*0.785*{MV VTI}/{BSA}
Needs measurement: MV Ann Diam [Mitral Valve], MV VTI [Mitral Valve],
Measured by: MV Trace [SDMANTRACE]
MV SV [Mitral Valve]
Mode: CW:PW:VRCW:VRPW
Formula: {MV Ann Diam}^2*0.785*{MV VTI}
Needs measurement: MV Ann Diam [Mitral Valve], MV VTI [Mitral Valve]
Measured by: MV Trace [SDMANTRACE]
MVA (VTI) [Mitral Valve]
Mode: 2D:CW:PW:VRCW:VRPW
Formula: 3.14/4*{LVOT Diam}^2*{LVOT VTI}/{MV VTI}
Needs measurement: LVOT Diam [Mitral Valve], LVOT VTI [Mitral Valve], MV VTI [Mitral Valve]
Measured by: MV Trace [AUTOCALC]
MVA By PHT [Mitral Valve]
Mode: CW:PW:VRCW:VRPW
Formula: 22/({MV PHT})
Needs measurement: MV PHT [Mitral Valve]
Measured by: MV E/A Velocity [SDEA3], MV PHT [SDCALIPER]
P Vein S/D Ratio [Pulmonary Vein]
Mode: PW:VRPW
Formula: {P Vein S}/{P Vein D}
Needs measurement: P Vein S [Pulmonary Vein], P Vein D [Pulmonary Vein]
Measured by: P Vein D [SDPTCALIPER]
Table 2-11: Cardiac Calculation Formulas