EDAN U60 - Page 155

U60 Diagnostic Ultrasound System User Manual Cardiac Measurements and Calculations
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SI
Stroke Index
SI (No unit)= SV (mL)/ BSA (m
2
)
CI
Cardiac Index
CI (No unit)= CO (L/min)/ BSA (m
2
)
BSA
Body Surface Area
Calculate by the selected formula (m
2
)
Table 9-7 Measurement and Calculation Items with Dual Plane Ellipse Formula
3. Bullet volume formula:
NOTE: d: end diastolic; s: end systolic
Label
Description
Method
LVAMd
Left Ventricular Fractional Area of
Mitral Valve
Ellipse Area (mm
2
, cm
2
, or dm
2
)
LVLd
Left Ventricular Length
Distance (mm)
LVAMs
Left Ventricular Fractional Area of
Mitral Valve
Ellipse Area (mm
2
, cm
2
, or dm
2
)
LVLs
Left Ventricular Length
Distance (mm)
HR
Heart Rate
Key in (bpm)
EDV
End Diastolic Volume
EDV (mL)= (5/6)×LVLd (mm)×LVAMd (mm
2
)
/1000
ESV
End Systolic Volume
ESV (mL)= (5/6)×LVLs (mm)× LVAMs (mm
2
)
/1000
SV
Stroke volume
SV (mL)=EDV (mL)-ESV (mL)
CO
Cardiac Output
CO (L/min)= SV (mL) × HR (bpm)/1000
EF
Ejection fraction (B mode)
EF (No unit)= SV (mL)/ EDV (mL) x 100%
SI
Stroke Index
SI (No unit)= SV (mL)/ BSA (m
2
)
CI
Cardiac Index
CI (No unit)= CO (L/min)/ BSA (m
2
)
BSA
Body Surface Area
Calculate by the selected formula (m
2
)
Table 9-8 Measurement and Calculation Items with Bullet Formula
4. Modified SIMPSON formula:
NOTE: d: end diastolic; s: end systolic
Label
Description
Method
LVAMd
Left Ventricular Fractional Area of
Mitral Valve
Ellipse Area (mm
2
, cm
2
, or dm
2
)