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
108 Revised 7/22/09 (Gentry/Ranallo) Smart Prep Prep Over mA Monitoring Delay (sec) Monitoring ISD (sec) Enhancement Threshold Diagnostic Delay (sec) Aortic Arch 80 10.0 3 50 3.0 CTA: Stroke Deluxe Adult 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 0.8 0.5 0.5 0.8 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 Large Large Large Head Large kV 120 120 120 120 120 Smart mA/ Auto mA Range 200-800 120-440 190-800 180-800 130-440 Noise Index 11.1 11.1 11.1 11.1 11.1 (Manual mA) 530 320 510 480 360 Recon 1: DFOV 22 22 22 22 22 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 22 22 22 22 22 Recon Type Bone Plus Bone Plus Bone Plus Bone Plus Bone Plus WW/ WL 3500/350 3500/350 3500/350 3500/350 3500/350 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
109 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 3.0 CTA: Stroke Deluxe: 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 0.8 0.5 0.5 0.8 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 100 100 100 100 110 Smart mA/ Auto mA Range 170-800 100-420 160-770 150-740 100-420 Noise Index 10.6 10.6 10.6 10.6 10.6 (Manual mA) 490 290 470 440 330 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
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108 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 80 10.0 3 50 3.0<br />
<strong>CT</strong>A: Stroke Deluxe<br />
Adult<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 0.8 0.5 0.5 0.8<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 Large Large Large Head Large<br />
kV 120 120 120 120 120<br />
Smart mA/ Auto mA Range 200-800 120-440 190-800 180-800 130-440<br />
Noise Index 11.1 11.1 11.1 11.1 11.1<br />
(Manual mA) 530 320 510 480 360<br />
Recon 1:<br />
DFOV 22 22 22 22 22<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 22 22 22 22 22<br />
Recon Type Bone Plus Bone Plus Bone Plus Bone Plus Bone Plus<br />
WW/ WL 3500/350 3500/350 3500/350 3500/350 3500/350<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
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