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Measurement Formulas
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LOGIQ 7/LOGIQ 7 Pro Advanced Reference Manual
Direction 5116269-100 Rev. 2
LVOT VTI [Aortic]
Mode: CW:PW:VRCW:VRPW
Formula: {LVOT VTI}
Needs measurement: LVOT VTI [Aortic]
Measured by: AP Area [SDMANTRACE]
Used to calculate: AP Area
LVOT VTI [Mitral Valve]
Mode: CW:PW:VRCW:VRPW
Formula: {LVOT VTI}
Needs measurement: LVOT VTI [Mitral Valve]
Measured by: MP Area [SDMANTRACE]
Used to calculate: MP Area
LVPEP/ET [Aortic]
Mode: CW:PW:VRCW:VRPW
Formula: {LVPEP}/{LVET}
Needs measurement: LVPEP [Aortic], LVET [Aortic]
Measured by: LVET [SDTIMECALIPER]
LVPEP/ET [Time]
Mode: MM:CM:AMM:CAMM:VRMM
Formula: {LVPEP}/{LVET}
Needs measurement: LVPEP [Time], LVET [Time]
Measured by: LVET [MMTIMECALIPER]
LVs Mass (ASE) [Generic]
Mode: MM:CM:AMM:CAMM:VRMM
Formula: ((1.04*(({IVSs}+{LVIDs}+{LVPWs})^3-({LVIDs})^3))*0.8+0.6)/1000
Needs measurement: IVSs [Generic], LVIDs [Generic], LVPWs [Generic]
Measured by: LV Study [MMLV]
LVs Mass [Dimension]
Mode: 2D:CF:VR2D
Formula: ((1.04*(({IVSs}+{LVIDs}+{LVPWs})^3-({LVIDs})^3))-13.6)/1000
Needs measurement: IVSs [Dimension], LVIDs [Dimension], LVPWs [Dimension]
Measured by: LVPWs [2DCALIPER]
LVs Mass [Generic, Dimension]
Mode: MM:CM:AMM:CAMM:VRMM
Formula: ((1.04*(({IVSs}+{LVIDs}+{LVPWs})^3-({LVIDs})^3))-13.6)/1000
Needs measurement: IVSs [Generic, Dimension], LVIDs [Generic, Dimension], LVPWs [Generic,
Dimension]
Measured by: LV Study [MMLV], LVPWs [MMDISCALIPER]
LVs Mass A-L [Mass]
Mode: 2D:CF:VR2D
Formula: 1.05*5/6*({LVAs(sax epi)}*({LVLs(apical)}+t)-{LVAs(sax PM)}*{LVLs(apical)})/1000
where: t =sqrt({LVAs sax EPI}/3.14159)-sqrt({LVAs sax PM}/3.14159)
Needs measurement: LVAs sax EPI [Mass], LVAs sax PM [Mass], LVLs apical [Mass]
Measured by: LVMass(s) [AUTOCALC]
LVs Mass Ind (ASE) [Generic]
Mode: MM:CM:AMM:CAMM:VRMM
Formula: (((1.04*(({IVSs}+{LVIDs}+{LVPWs})^3-({LVIDs})^3))*0.8+0.6)/1000)/{BSA}
Needs measurement: IVSs [Generic], LVIDs [Generic], LVPWs [Generic]
Measured by: LV Study [MMLV]
Table 2-11: Cardiac Calculation Formulas