GE CT-9800

GE MEDICAL SYSTEMS CT 9800 QUICK SYSTEM
Rev. 19 Direction 18000
4-13-6
(d) At the Exam Parameters, type in the following entries:
Retain Scan data Files [Y / N]: Type Y .
Head or Feet First: Press RETURN.
Supine, Prone, Decubitus Left or Right: Press RETURN.
Anatomical Reference: Type EM .
Establish Patient Reference Position: Press the INT button on the table to establish the internal
landmark (zero mm. location). Then, press RETURN twice.
(e) Select axial scan. [A]
(f) At the Standard Axial RX Menu, type 1 for explicit prescription:
Starting Location: Type 0.
Ending Location: Type 0.
Scan Spacing: 0 mm.
Number of Scans: Type 4
Thickness: Enter scan slice thickness.
kV: Enter the desired kV.
mA: Enter the desired mA.
Scan Time: Type 4 .
Gantry Tilt: Type 0
Scanning prescription parameters for both slope and flat phantom exams:
Scans kV mA Slice Thickness Scan Time
1-4 120 kV 70 mA 10 mm 4 sec
5-8 120 kV 140 mA 5 mm 4 sec
9-12 140 kV 70 mA 10 mm 4 sec
(g) Press RETURN to return to the Standard Axial RX Menu and select item 3 (Proceed To Axial):
Contrast: Press RETURN.
Scan FOV: Type S.
Display FOV: Press RETURN.
Scan Type: Type N.
Resolution: Type S.
Matrix Size: Type 512.
Normal or Stat: Press RETURN to select Normal (default).
Peristaltic: Type Y
(h) Press RETURN to continue to Axial Scan Table which summarizes the axials you are about to scan.
(i) Press RETURN to proceed to scan. When the SCAN ENABLE key illuminates, press it to start scanning.
(j) Add to scans collected using the other techniques.
(k) When the scans are complete, CANCEL and END EXAM.