Chison Q9, Operation Manual, Page: 110 / 201

Q9 Digital Color Doppler Ultrasound System
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<<Items to be calculated>>
5. LVSHORT
<<Items to be measured>>
Meas. item name Description [Unit] Meas. Method
IVSd lnterventricular septal thickness at
end diastole [mm]
Refer to distance measurement
(Distance)in B mode
LVIDd Left ventricular short-axis
diameter at end diastole [mm]
Refer to distance
measurement(distance) in B mode
LVIDs Left ventricular short-axis
diameter at end systole [mm]
Refer to distance measurement
(Distance) in B mode
LVPWd Left ventricular posterior wall
thickness at end diastole [mm]
Refer to distance measurement
(Distance) in B mode
Calc. item name Description [Unit] Calc. formula
EDV End-diastolic left ventricular
volume [mL]
EDV = 7.0 / (2.4 + LVIDd) *
LVIDd * LVIDd * LVIDd
ESV End-systolic left ventricular
volume [mL]
ESV = 7.0 / (2.4 + LVIDs) *
LVIDs * LVIDs * LVIDs
SV Stroke volume [mL] EDV - ESV
CO Cardiac output [L/min] SV x HR /1000
CI Cardiac index CO/BSA
EF Ejection fraction [no unit] SV / EDV
FS Fractional shortening [no unit] (LVIDd -LVIDs)/LVIDd
Meas. item name Description [Unit] Meas. Method
AIVSD Anterior wall of interventricular
septum at end diastole
Refer to distance measurement in
M mode
PIVSD Posterior interventricular septum
distance at end diastole
Refer to distance measurement in
M mode
ENDOD Endocardium of posterior wall of
left ventricular at diastole
Refer to distance measurement in
M mode
EPID Epicardium at diastole Refer to distance measurement in
M mode
AIVSS Anterior wall of interventricular
septum at end systole
Refer to distance measurement in
M mode
PIVSS Posterior wall of interventricular
septum at end systole
Refer to distance measurement in
M mode