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Full Digital Color Doppler Ultrasonic Diagnostic Instrument (Vet) User’s Manual V1.00
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ESV
End-systolic left ventricular volume
[mL]
ESV[mL]=7*LVIDs
3
[cm]
3
/(2.4+LVIDs [cm])
SV Stroke Volume [mL] SV[mL]= EDV[mL]- ESV[mL]
CO Cardiac Output [L/min] CO[L/min]= SV[mL]* HR[bpm]/1000
EF Ejection Fraction EF[No unit]= SV[mL]/ EDV[mL]
FS Fractional Shortening FS=(LVIDd[mm]-LVIDs[mm])/ LVIDd[mm]
SI Stroke Volume Index SI= SV[mL]/ BSA[m
2
]
CI Cardiac Index CI= CO[L/min]/ BSA[m
2
]
MVCF
Mean velocity of circumferential
fiber shortening [circ/s] MVCF[circ/s]=(LVIDd[mm]-LVIDs[mm])/(LVID
d[mm]*ET[ms]/1000)
BSA Body Surface Area [m
2
] Calculation referring to the formula
2. Cube formula
Abbreviation Detailed description Algorithm or Operation
LVIDd
Left Ventricular internal diameter, at end
diastole [mm or cm]
M mode distance measurement
LVIDs
Left Ventricular internal diameter, at end
systole [mm or cm]
M mode distance measurement
ET Ejection Time [ms or s] M mode time measurement or keying in
HR Heart Rate [bpm] M mode measurement or keying in
EDV
End-diastolic left ventricular volume
[mL]
EDV[mL]= LVIDd
3
[mm]
3
/1000
ESV End-systolic left ventricular volume [mL] ESV[mL]= LVIDs
3
[mm]
3
/1000
SV Stroke Volume [mL] SV[mL]= EDV[mL]- ESV[mL]
CO Cardiac Output [L/min] CO[L/min]= SV[mL]* HR[bpm]/1000
EF Ejection Fraction EF= SV[mL]/ EDV[mL]
FS Fractional Shortening FS=(LVIDd[mm]- LVIDs[mm])/ LVIDd[mm]
SI Stroke Volume Index SI= SV[mL]/ BSA[m
2
]
CI Cardiac Index CI= CO[L/min]/ BSA[m
2
]
MVCF
Mean velocity of circumferential fiber
shortening [circ/s] MVCF=(LVIDd[mm]-LVIDs[mm])/(LVIDd[m
m]*ET[ms/1000])
BSA Body Surface Area [m
2
] Calculation referring to the formula
3. Other measurement items
Abbreviation Detailed description Algorithm or Operation
EFSLP Mitral valve closing speed [mm/s or cm/s] M mode slope measurement
ACV AC descending speed[mm/s or cm/s] M mode slope measurement
CA A wave peak value[mm or cm] M mode distance measurement
CE E wave peak value [mm or cm] M mode distance measurement
CA/CE Ratio of between A peak and E peak CA/CE[no unit]= FA[mm]/DE[mm]
DEV Mitral valve opening speed [mm/s or cm/s] M mode slope measurement
DCT Mitral valve opening time [s] M mode time measurement