CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology

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110 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 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 0.8 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 80 80 80 80 80 Smart mA/ Auto mA Range 140-675 80-400 130-675 120-675 90-400 Noise Index 10.4 10.4 10.4 10.4 10.4 (Manual mA) 440 260 420 400 300 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
111 Revised 7/22/09 (Gentry/Ranallo) Vascular Imaging: Total Cerebrovascular: (Stenosis, Trauma, Unknown Bleed) (Protocol – Adult: # 1.6a or 13.7a – Pediatric: # 11.16 or 11.17) Note: This protocol is identical to the stroke deluxe protocol.
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Adult Head: (Axial Mode) (Protocol
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Sinuses (Diagnostic): (Adult and Pe
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CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology

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