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
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55 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 2.5 50 15.0<br />
Sinuses (Diagnostic)<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) 0.5 0.5 0.5 0.5 0.6<br />
Detector Coverage (mm)<br />
Beam Collimation (mm)<br />
10 10 10 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) 5.625 5.625 5.625 10.62 6.25<br />
Detector Configuration 16 x 0.625 16 x 0.625 16 x 0.625 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 160-560 130-420 130-450 120-430 120-420<br />
Noise Index 8.5 8.5 8.5 8.5 8.5<br />
(Manual mA) 450 360 360 340 340<br />
Recon 1:<br />
DFOV 14 14 14 14 14<br />
Recon Type Standard Standard Standard Standard Standard<br />
WW/ WL 450/50 450/50 450/50 450/50 450/50<br />
Recon Option Plus Plus Plus Full Plus<br />
Recon Option<br />
Recon 2:<br />
IQ Enhance<br />
DFOV 14 14 14 14 14<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) 0.625 0.625 0.625 0.625 1.25<br />
Interval (mm) 0.625 0.625 0.625 0.625 0.75
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