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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15 Revised 7/22/09 (Gentry/Ranallo)<br />
Head: Helical<br />
Pediatric Child (3 – 6 yr)<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 />
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 1.0<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) 5 5 5 5 5<br />
Interval (mm) 2.5 2.5 2.5 2.5 2.5<br />
Scan FOV Head Head Head Small Head Head<br />
kV 80 80 80 80 80<br />
Smart mA/ Auto mA Range 190-675 110-400 180-675 170-675 100-400<br />
Noise Index 3.0 3.0 3.0 3.0 3.0<br />
(Manual mA) 560 340 540 510 310<br />
Recon 1:<br />
DFOV 22 22 22 22 22<br />
Recon Type S<strong>of</strong>t S<strong>of</strong>t S<strong>of</strong>t S<strong>of</strong>t S<strong>of</strong>t<br />
WW/ WL 80/25 80/25 80/25 80/25 80/25<br />
Recon Option Full Full Full Full Full<br />
Recon 2:<br />
DFOV 22 22 22 22 22<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 Full Full Full Full Full<br />
Slice Thickness (mm) 2.5 2.5 2.5 2.5 2.5<br />
Interval (mm) 1.25 1.25 1.25 1.25 1.25