Chison Q9 - Modi_Simpson

Q9 Digital Color Doppler Ultrasound System
85
(Distance)".
HR
Heart rate
Refer to "Distance
Measurement
(Distance)".
<<Items to be calculate>>
Calc. item name
Description [Unit]
Calc. formula
EDV
End
-
diastolic volume
[mL]
EDV =(5/6.0)*LVLd *
LVAMd
ESV
End
-
systolic volume
[mL]
ESV =(5/6.0)*LVLs *
LVAMs
SV
Stroke Volume [mL]
SV=EDV
–
ESV
CO
Cardiac output [L/min]
CO=SV * HR
/1000
EF
ejection fraction
EF=SV/EDV
4. Modi_Simpson
This method calculates the left ventricular using the 2-D mode long-axis image, the short-axis image at the level
of the mitral valve, and the short-axis image at the level of the papillary muscle.
Calculation formula for volume:
EDV=
ESV=
<<Items to be measured>>
Meas. item name
Description [Unit]
Meas. method
LVAMd
Left ventricular short
-
axis area at the
level of the mitral valve at end
diastole
Refer to "Area/Circumference
Measurement (Area)"
LVLd
Left ventricular long
-
axis length at
end diastole
Refer to "Distance Measurement
(Distance)"
LVAPd
Left ventricular long
-
axis area at the
level of the papillary muscle at end
diastole
Refer to "Area/Circumference
Measurement (Area)".
LVAMs
Left ventricular short
-
axis area at the
level of the mitral valve at end
systole
Refer to "Area/Circumference
Measurement (Area)"
LVLs
Left ventricular long
-
axis length at
end systole
Refer to "Distance Measurement
(Distance)"
LVAPs
Left ventric
ular long
-
axis area at the
level of the papillary muscle at end
systole
Refer to "Area/Circumference
Measurement (Area)".
HR
Heart rate
Refer to “Heart Rate Measurement”
<<Items to be calculated>>
Calc. item name
Description [Unit]
Calc. formula
EDV
End
-
diastolic left ventricular volume
Refer to << Calculation formula for