Siemens ARCADIS Varic Operator's Manual page 174

Examination
Using the fill image
from subtraction
angiography
Positioning the
catheter
24
of 52
Prerequisites:
A subtraction angiography (SUB operating mode) was performed at any time dur-
ing the current examination.
The symbol for an existing subtraction mask is shown in the control area.
Press the RoadMap key on the control panel once.
– The operating mode is switched to Roadmap.
– If the vessels are easy to recognize, you can now start positioning the cath-
eter.
If you press the RoadMap key twice, the existing subtraction image is discarded.
You will then have to regenerate the fill image.
Release radiation with the hand switch or with the assigned footswitch.
– The live image is displayed on the left monitor.
Position the guide wire or the catheter under fluoroscopic control.
– The right monitor shows the fluoroscopic image.
– The left monitor shows the subtracted Roadmap image with catheter.
You can repeat fluoroscopy as often as needed while you insert the catheter.
If you select RoadMap again, you will start a new roadmap scene.
Operator Manual
SPR2-310.620.30.02.02