CT Procedures
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| show | Slice Thickness: 2-5mm. Scan range: below skull base - above vertex. Parallel to IOML.
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| Angio Brain | show 🗑
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| Perfusion Brain | show 🗑
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| Orbits | show 🗑
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| Facial Bones | show 🗑
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| show | Slice Thickness: 2-3mm. Scan Range: Max/ethmoid-sphenoid sinus. Obtain direct coronal imaging. If CM needed ~100mL
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| Soft Tissue Neck | show 🗑
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| Angio Neck | show 🗑
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| show | Slice Thickness: 1-2 mm. Scan Range: mid orbit-clavicle. While holding breath. 2nd w/ prolonged “ee” to show odd vocal cords move. Injection rate: 2-4 mL/sec ~80-125mL.
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| show | Slice Thickness: 2-5mm. Scan range: above lung apices-adrenals. No breathe. IF IV: Scan feet-head b/c reduces artifact from CM as going in. Inject rate: 2-4 mL/sec ~70-120mL.
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| High Res. Chest | show 🗑
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| PE | show 🗑
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| show | 0.4-0.7mm. Carina-apex heart. ECG gating (only during diastole: 55-75% of R-R interval). Prospect gated: rad off when not diastole. Retrospect gated: all cycles but recon only parts. Inject rate: 4-7 mL/sec ~80-100mL.
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| Calcium Score | show 🗑
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| show | Slice Thickness: 0.5-2mm. Above clavicle-below celiac artery. Rules out dissection. Pro/retrospective Gating used to reduce ascending aorta motion. IV in RT AC reduces streak artifact from aortic branches. Inject rate: 4-7 mL/sec ~80-120mL.
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| show | Slice Thickness: 0.5-2mm. Scan range: skull base-T1/T2. Neck straight! If CM needed inject rate: 1-3 mL/sec ~80-120mL during portal venous phase.
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| show | Slice Thickness: 2-5mm. Scan range: C7-L1/L2. If CM needed inject rate: 1-3 mL/sec ~80-120mL during portal venous phase.
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| Lumbar Spine | show 🗑
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