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

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4 Revised 7/22/09 (Gentry/Ranallo) Scanner Nomenclature: Scanner - Location # of Slices Maximum mA at 120 kV Scanner Name Naming Convention in this Protocol Book CTI – 1 16 800 Lightspeed Xtra CTI – 2 4 440 LightSpeed 16 CTI – 3 16 800 LightSpeed 16 Pro CTI - 4 64 800 LightSpeed VCT 64 ER 64 800 LightSpeed VCT 64 CT-RP 8 440 LightSpeed 8 East 8 440 LightSpeed 8 LS Xtra LS 16 LS 16 Pro LS VCT 64 LS VCT 64 LS 8 LS 8
5 Revised 7/22/09 (Gentry/Ranallo) Adult Head: Routine (Helical Mode) (Protocol # 1.1) Billing: 1. CT Head without, or with, or without and with 2. Contrast if used Setup: 1. Supine, AP and lateral scouts, no gantry angle 2. Helical mode should be used routinely for adult head CT scans. Only use axial mode when you cannot move the patient’s head into proper position (trauma, cervical collar, rigid neck). 3. Patient Positioning: Tilt the patients head so that a line connecting the lateral canthus of the eye and the EAC is perpendicular to the CT tabletop (see below). Use axial mode and angle the gantry if you cannot place the patient’s head within 15 degrees of the proper setup angle. 4. Start scans at the bottom of C1 and scan through the top of the head DFOV: Preferred 20 cm (Range 18-22) Contrast: 1. 150 ml of 240 mg/dl non-ionic contrast @ 0.6 ml/sec (4.2 minutes) 2. Begin scanning as soon as contrast injection is finished Other Info:
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Vascular Imaging: Stroke Deluxe: (A
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Suggestions for ROI Placement 133 R
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1. CTA (High-res COW) 2. CTA (Strok
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CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology

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