*Posteroanterior projection, or slightly oblique to avoid superimposing the spine.<ref name=Helsingborg/>
*First image the contrast filling of the port chamber and the catheter to exclude malfunction.<ref name=Helsingborg/>
*Imaging of the outflow from the catheter is imaged at 10-15<ref name="Frequency" group="notenotes"/> images per second.<ref name=Helsingborg/>
After the procedure, the system should be flushed with 20 - 30 ml normal saline.<ref name=Helsingborg/>