Chison Q9, Руководство по эксплуатации, Страница: 91 / 201

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 ventricular 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