Operator Manual
22
of 52 SPR2-310.620.30.02.02
Examination
Performing
subtraction
angiography
Prerequisite: The patient to be examined has been registered.
◆ Make the necessary settings for the examination.
(→ Page 11)
◆ Set the Subtraction mode in the Examination task card or by pressing the
corresponding key on the control panel.
– The symbol for the current operating mode, Subtraction, is displayed.
– The LED of the Sub key lights up.
◆ Before starting the exposure, click the Native tab on the right monitor.
–The Native task card is placed into the foreground.
◆ Release radiation with the hand switch or with the assigned footswitch.
– During the generation of the mask the native image is displayed on the
right monitor.
◆ Inject the contrast medium as soon as the syringe symbol appears on the
screen.
Keep the radiation release button pressed until the vessel is filled with contrast
medium.
– On the left monitor you can see the continuous filling of the blood vessel
with contrast medium.
– After radiation has been switched off, the left monitor shows a subtraction
image with accumulated contrast medium (maximum fill image). The right
monitor shows the image with the largest fill phase and anatomical back-
ground (native).
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