CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology
CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology
126 Revised 7/22/09 (Gentry/Ranallo) Smart Prep Prep Over mA Monitoring Delay (sec) Monitoring ISD (sec) Enhancement Threshold Diagnostic Delay (sec) Aortic Arch 40 10.0 3 50 5.0 CT Venography: Pediatric Child (3 – 6 yr) Scanner GE LS Xtra GE LS 16 GE LS 16 Pro GE LS VCT 64 GE LS 8 Scan Type Helical Helical Helical Helical Helical Rotation Time (sec) 0.6 0.9 0.5 0.5 0.9 Detector Coverage (mm) Beam Collimation (mm) 20 20 20 20 10 Detector Rows 16 16 16 16 8 Pitch 0.562 0.562 0.562 0.531 0.625 Speed (mm/rot) 11.25 11.25 11.25 10.62 6.25 Detector Configuration 16 x 1.25 16 x 1.25 16 x 1.25 64 x 0.625 8 x 1.25 Slice Thickness (mm) 1.25 1.25 1.25 1.25 1.25 Interval (mm) 0.75 0.75 0.75 0.625 0.75 Scan FOV Head Head Head Head Head kV 100 100 100 100 100 Smart mA/ Auto mA Range 170-800 90-420 160-770 150-740 100-420 Noise Index 10.6 10.6 10.6 10.6 10.6 (Manual mA) 490 260 470 440 290 Recon 1: DFOV 20 20 20 20 20 Recon Type Standard Standard Standard Standard Standard WW/ WL 400/40 400/40 400/40 400/40 400/40 Recon Option Plus Plus Plus Full Plus Recon Option Recon 2: IQ Enhance DFOV 20 20 20 20 20 Recon Type Bone Plus Bone Plus Bone Plus Bone Plus Bone Plus WW/ WL 3000/300 3000/300 3000/300 3000/300 3000/300 Recon Option Plus Plus Plus Full Plus Recon Option Contrast CT 1 CT 2 CT 3 CT 4 & ER CT East & RP CT IQ Enhance Slice Thickness (mm) 1.25 1.25 1.25 1.25 1.25 Interval (mm) 0.75 0.75 0.75 0.625 0.75
127 Revised 7/22/09 (Gentry/Ranallo) Smart Prep Prep Over mA Monitoring Delay (sec) Monitoring ISD (sec) Enhancement Threshold Diagnostic Delay (sec) Aortic Arch 40 10.0 3 50 5.0 CT Venography: Pediatric Infant (0 – 3 yr) Scanner GE LS Xtra GE LS 16 GE LS 16 Pro GE LS VCT 64 GE LS 8 Scan Type Helical Helical Helical Helical Helical Rotation Time (sec) 0.6 0.9 0.5 0.5 0.9 Detector Coverage (mm) Beam Collimation (mm) 20 20 20 20 10 Detector Rows 16 16 16 16 8 Pitch 0.562 0.562 0.562 0.531 0.625 Speed (mm/rot) 11.25 11.25 11.25 10.62 6.25 Detector Configuration 16 x 1.25 16 x 1.25 16 x 1.25 64 x 0.625 8 x 1.25 Slice Thickness (mm) 1.25 1.25 1.25 1.25 1.25 Interval (mm) 0.75 0.75 0.75 0.625 0.75 Scan FOV Head Head Head Head Head kV 80 80 80 80 80 Smart mA/ Auto mA Range 140-675 70-400 130-675 120-675 80-400 Noise Index 10.4 10.4 10.4 10.4 10.4 (Manual mA) 440 230 420 400 260 Recon 1: DFOV 18 18 18 18 18 Recon Type Standard Standard Standard Standard Standard WW/ WL 400/40 400/40 400/40 400/40 400/40 Recon Option Plus Plus Plus Full Plus Recon Option Recon 2: IQ Enhance DFOV 18 18 18 18 18 Recon Type Bone Plus Bone Plus Bone Plus Bone Plus Bone Plus WW/ WL 3000/300 3000/300 3000/300 3000/300 3000/300 Recon Option Plus Plus Plus Full Plus Recon Option Contrast CT 1 CT 2 CT 3 CT 4 & ER CT East & RP CT IQ Enhance Slice Thickness (mm) 1.25 1.25 1.25 1.25 1.25 Interval (mm) 0.75 0.75 0.75 0.625 0.75
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126 Revised 7/22/09 (Gentry/Ranallo)<br />
Smart Prep<br />
Prep Over<br />
mA<br />
Monitoring Delay<br />
(sec)<br />
Monitoring<br />
ISD (sec)<br />
Enhancement<br />
Threshold<br />
Diagnostic Delay<br />
(sec)<br />
Aortic Arch 40 10.0 3 50 5.0<br />
<strong>CT</strong> Venography:<br />
Pediatric Child (3 – 6 yr)<br />
Scanner GE LS Xtra GE LS 16 GE LS 16 Pro GE LS V<strong>CT</strong> 64 GE LS 8<br />
Scan Type Helical Helical Helical Helical Helical<br />
Rotation Time (sec) 0.6 0.9 0.5 0.5 0.9<br />
Detector Coverage (mm)<br />
Beam Collimation (mm)<br />
20 20 20 20 10<br />
Detector Rows 16 16 16 16 8<br />
Pitch 0.562 0.562 0.562 0.531 0.625<br />
Speed (mm/rot) 11.25 11.25 11.25 10.62 6.25<br />
Detector Configuration 16 x 1.25 16 x 1.25 16 x 1.25 64 x 0.625 8 x 1.25<br />
Slice Thickness (mm) 1.25 1.25 1.25 1.25 1.25<br />
Interval (mm) 0.75 0.75 0.75 0.625 0.75<br />
Scan FOV Head Head Head Head Head<br />
kV 100 100 100 100 100<br />
Smart mA/ Auto mA Range 170-800 90-420 160-770 150-740 100-420<br />
Noise Index 10.6 10.6 10.6 10.6 10.6<br />
(Manual mA) 490 260 470 440 290<br />
Recon 1:<br />
DFOV 20 20 20 20 20<br />
Recon Type Standard Standard Standard Standard Standard<br />
WW/ WL 400/40 400/40 400/40 400/40 400/40<br />
Recon Option Plus Plus Plus Full Plus<br />
Recon Option<br />
Recon 2:<br />
IQ Enhance<br />
DFOV 20 20 20 20 20<br />
Recon Type Bone Plus Bone Plus Bone Plus Bone Plus Bone Plus<br />
WW/ WL 3000/300 3000/300 3000/300 3000/300 3000/300<br />
Recon Option Plus Plus Plus Full Plus<br />
Recon Option<br />
Contrast<br />
<strong>CT</strong> 1 <strong>CT</strong> 2 <strong>CT</strong> 3 <strong>CT</strong> 4 & ER <strong>CT</strong> East & RP <strong>CT</strong><br />
IQ Enhance<br />
Slice Thickness (mm) 1.25 1.25 1.25 1.25 1.25<br />
Interval (mm) 0.75 0.75 0.75 0.625 0.75