GE
HEALTHCARE
D
IRECTION
2307224-100, R
EVISION
6
D
ISCOVERY
LS S
YSTEM
S
ERVICE
M
ANUAL
Chapter 8 - System QC, Calibration and Functional Tests
Page 247
4.) Refer to
. Click below the patient’s legs in the Protocol Selection area, and choose
the
Volumetric QC
protocol from the drop-down menu.
Figure 8-5:
Selecting the Protocol
5.) When the CT VQC Protocol is displayed, verify that the
PET Protocol
icon is enabled and PET
VQC Protocol is selected.
6.) Verify that
Auto Transfer
(to the PET OWS station) is On.
7.) Verify that the VQC phantom is properly positioned and oriented. (Refer to
.)
8.) Refer to
. Set the <
Start
Landmark
> on the Start Acquisition Line the scan. (The
scan takes a few seconds.)
9.) When the CT scan is completed, click the [
Pet Series
] icon on the Scan Monitor.
10.) Click [
Accept Setup
], and perform PET Transmission VQC acquisition.
• Confirm that there is no emission activity by clicking [
OK
] in the dialog box. The scan takes
5 minutes (default time).
• If the count rate is less than 1000 Kcps, increase the scan time to 10 minutes.
11.) When the acquisition is finished, select
Quit Screen
from the Options menu to close the PET
Acquisition screen.
12.) Select
Recon
from the [Screens] drop-down menu.
13.) When the Recon panel displays, click [
Next Recon
].
14.) When the Navigator panel opens, select the scan that was just performed and click [
OK
].
15.) Click [
Defaults Protocols
], and select
VQC Reconstruction Protocol
.
16.) Click [
Submit to Top
].
17.) After reconstruction is complete, select
Quit Screen
from the Options menu to close the
Reconstruction screen.
The
Volumetric QC
protocol can be
selected by clicking
under the feet in the
picture of the patient.