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Measurement Formulas
LOGIQ 7/LOGIQ 7 Pro Advanced Reference Manual
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Direction 5116269-100 Rev. 2
LVs Mass Ind A-L [Mass]
Mode: 2D:CF:VR2D
Formula: m/{BSA} where: m = 1.05*5/6*({LVAs(sax epi)}*({LVLs(apical)}+t)-{LVAs(sax PM)}*{LVLs(apical)})/
1000 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 Index [Dimension]
Mode: 2D:CF:VR2D
Formula: m/{BSA} where: m = ((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 Index [Generic, Dimension]
Mode: MM:CM:AMM:CAMM:VRMM
Formula: (((1.04*(({IVSs}+{LVIDs}+{LVPWs})^3-({LVIDs})^3))-13.6)/1000)/{BSA}
Needs measurement: IVSs [Generic, Dimension], LVIDs [Generic, Dimension], LVPWs [Generic,
Dimension]
Measured by: LV Study [MMLV], LVPWs [MMDISCALIPER]
LVSI Dopp [Aortic]
Mode: PW:VRPW
Formula: {LVOT Diam}^2*0.785*{LVOT VTI}/{BSA}
Needs measurement: LVOT Diam [Aortic], LVOT VTI [Aortic],
Measured by: LVOT Trace [SDMANTRACE]
LVSV Dopp [Aortic]
Mode: PW:VRPW
Formula: {LVOT Diam}^2*0.785*{LVOT VTI}
Needs measurement: LVOT Diam [Aortic], LVOT VTI [Aortic]
Measured by: LVOT Trace [SDMANTRACE]
MP Area [Mitral Valve]
Mode: CW:PW:VRCW:VRPW
Formula: {LVOT Diam}^2*0.785*({LVOT VTI}/{MP VTI})
Needs measurement: LVOT Diam [Mitral Valve], LVOT VTI [Mitral Valve], MP VTI [Mitral Valve]
Measured by: MP Area [SDMANTRACE]
MR ERO [PISA]
Mode: CF:CW:PW:VRCW:VRPW
Formula: {MR Flow}/{MR Vmax}
Needs measurement: MR Flow [PISA], MR Vmax [PISA]
Measured by: MR Trace [AUTOCALC]
MR RV [PISA]
Mode: CF:CW:PW:VRCW:VRPW
Formula: {MR Flow}/{MR Vmax}*{MR VTI}
Needs measurement: MR Flow [PISA], MR Vmax [PISA], MR VTI [PISA]
Measured by: MR Trace [AUTOCALC]
MV AccT/DecT [Mitral Valve]
Mode: CW:PW:VRCW:VRPW
Formula: {MV AccT}/{MV DecT}
Needs measurement: MV AccT [Mitral Valve], MV DecT [Mitral Valve]
Measured by: MV AccT [SDCALIPER]
Table 2-11: Cardiac Calculation Formulas