
Q9 Digital Color Doppler Ultrasound System
92
5.3.1.6 Vascular Measurement in B mode
Meas. item
name
mark
unit
Meas. Method and calc. formular
Prox CCA
(
Rt
)
/
(
Lt
)
A Out
A In
StA%
D Out
D In
StD%
Vessel Area
Vessel Dis
cm
2
cm
2
%
cm
cm
%
cm
2
cm
Refer to “Area/Circumference Measurement
(Area)”
Refer to “Area/Circumference Measurement
(Area)”
StA%= (A Out- A In
)
/ A Out *100%
Refer to "Distance Measurement (Distance)
Refer to "Distance Measurement (Distance)
StD%= (D Out- D In
)
/ D Out *100%
Refer to Area(Ellipse)
Refer to "Distance Measurement (Distance)
Mid CCA
(
Rt
)
/
(
Lt
)
The same as above
The same as above
The same as above
Distal CCA
(
Rt
)
/
(
Lt
)
The same as above
The same as above
The same as above