CT — Angiografie runoff (MCB)
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MCB Radiology — 8 Runoff
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Documentul original MCB — Angiografie runoff
Protocol · 4 pagini · consultat la 2026-09-27.
Descarcă PDF-ul integral · Sursa MCB · Catalogul MCB pentru această modalitate
Instrucțiunile, valorile și ilustrațiile din documentul original sunt păstrate în engleză. Titlul și navigarea sunt în română.
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Textul documentului original
Pagina 1 — text în engleză
Updated 04/27/24 CTA Runoff (Aorta/Iliofemoral) Reviewed 05/14/25 Indications - peripheral artery disease, claudication, ischemia, absent pulses, aneurysm, trauma. Bill under CT Angiography Abd Aorta + Iliofemoral charge. GENERAL SCAN NOTES Move the patient's arms over his/her head if possible. Remove any metal from the imaging field of view. Topogram - lung bases through toes (obtained during end inspiration). Craniocaudal scan coverage - lung bases through toes (obtained during end inspiration). Adjust FOV (field of view) on topogram to smallest without cropping anatomy. IV Contrast: Administer weight-based Omnipaque-350 - 1 mL/kg up to 150 mL (100 mL minimum). Inject at 4 mL/sec followed by 40 mL saline flush, 20-gauge or larger in forearm or more proximal. Bolus track off proximal abdominal aorta triggered at 100 HU. Oral Contrast: generally not given for this protocol. For GE scanners, it is essential for the 1st recon thickness on the scanner to match the 1st recon thickness in this protocol book for the prescribed Noise Index to be valid. The 1st recon should generally be the thickest recon in the protocol.
Pagina 2 — text în engleză
CTA Runoff (Aorta/Iliofemoral) SIEMENS PARAMETERS & RECONS Scan
Care
Scan
Mode kV mAs Care
Dose Pitch Acq Coll Rot kV & Lvl Time Time Sensation 16 spiral 120 150 on 1.15 16 1.5 0.5 23.6 NA Go Up 32 spiral 110 124 on on 155 1.00 32 0.7 0.8 46.4 Sensation 64 spiral 120 150 on NA 1.20 64 0.6 0.5 28.2 Definition 64 spiral 120 120 on 0.85 64 0.6 on 0.3 23.9 Go Top 64 spiral 100 136 on 0.35 64 0.6 0.5 on 155 48.4 Drive 128 spiral 120 84 on 0.60 128 0.6 0.5 28.2 on Force 192 spiral 110 90 on 0.60 192 0.6 0.5 18.8 on IR
Recon
Name of Series Window Recon
Thick Interval Kernel Lvl Anatomy Direction AX ANGIO 3.0 3.0 Br40 / B41f mediastinum 3 AP thru feet head/feet 1.0 1.0 AP thru feet head/feet AX ANGIO THINS Br40 / B41f mediastinum 3 2.0 (16 slice) 2.0 (16 slice) COR ANGIO AP mediastinum AP front/back 2.0 2.0 3 Br40 / B41f SAG ANGIO AP left/right 2.0 2.0 mediastinum AP 3 Br40 / B41f 3D VRT (spin) CT angio 0.75 0.5 Bv36 / B31f COR ANGIO UPPER mediastinum thighs 2.0 2.0 Br40 / B41f 3 front/back SAG ANGIO UPPER mediastinum thighs left/right 2.0 2.0 Br40 / B41f 3 3D VRT (spin) CT angio 0.75 0.5 Bv36 / B31f COR ANGIO LOWER mediastinum lower legs 2.0 2.0 Br40 / B41f 3 front/back SAG ANGIO LOWER mediastinum 2.0 2.0 Br40 / B41f 3 lower legs left/right 3D VRT (spin) CT angio 0.75 0.5 Bv36 / B31f
Care
Scan
Mode kV mAs Care
Dose Pitch Acq Coll Rot kV & Lvl Time Time Sensation 16 spiral 120 150 on 1.15 16 1.5 0.5 23.6 NA Go Up 32 spiral 110 124 on on 155 1.00 32 0.7 0.8 46.4 Sensation 64 spiral 120 150 on NA 1.20 64 0.6 0.5 28.2 Definition 64 spiral 120 120 on 0.85 64 0.6 on 0.3 23.9 Go Top 64 spiral 100 136 on 0.35 64 0.6 0.5 on 155 48.4 Drive 128 spiral 120 84 on 0.60 128 0.6 0.5 28.2 on Force 192 spiral 110 90 on 0.60 192 0.6 0.5 18.8 on IR
Recon
Name of Series Window Recon
Thick Interval Kernel Lvl Anatomy Direction AX ANGIO 3.0 3.0 Br40 / B41f mediastinum 3 AP thru feet head/feet 1.0 1.0 AP thru feet head/feet AX ANGIO THINS Br40 / B41f mediastinum 3 2.0 (16 slice) 2.0 (16 slice) COR ANGIO AP mediastinum AP front/back 2.0 2.0 3 Br40 / B41f SAG ANGIO AP left/right 2.0 2.0 mediastinum AP 3 Br40 / B41f 3D VRT (spin) CT angio 0.75 0.5 Bv36 / B31f COR ANGIO UPPER mediastinum thighs 2.0 2.0 Br40 / B41f 3 front/back SAG ANGIO UPPER mediastinum thighs left/right 2.0 2.0 Br40 / B41f 3 3D VRT (spin) CT angio 0.75 0.5 Bv36 / B31f COR ANGIO LOWER mediastinum lower legs 2.0 2.0 Br40 / B41f 3 front/back SAG ANGIO LOWER mediastinum 2.0 2.0 Br40 / B41f 3 lower legs left/right 3D VRT (spin) CT angio 0.75 0.5 Bv36 / B31f
Pagina 3 — text în engleză
CTA Runoff (Aorta/Iliofemoral) GE PARAMETERS & RECONS Scan
Smart
Slice
Beam
Dose
Speed Rot
ASIR Scan
Type SFOV kV mA
Range Noise
Index mA Thick Coll Pitch Time Red Time LS 16 helical large 120 50-380 16.36 on 2.5 20 1.750 35.00 0.6 NA NA 22.3 Opt 540 helical large 120 50-380 16.36 on 2.5 20 1.750 35.00 0.6 NA NA 22.3 LS VCT 64 helical large body 120 100-610 14.14 on 2.5 40 1.375 55.00 0.5 0 0 11.8 Disc VCT 64 helical large body 120 100-515 14.14 on 2.5 40 1.375 55.00 0.5 0 0 11.8 Window
Recon
Recon Name of Series Thickness Interval Recon
Algorithm Width/Level Anatomy Direction AX ANGIO 2.5 2.5 std full 400/40 AP thru feet head/feet This must be the first recon for the prescribed Noise Index to be valid. AX ANGIO THINS 1.25 1.25 std full 400/40 AP thru feet head/feet COR ANGIO AP 2.0 2.0 std full 400/40 AP front/back SAG ANGIO AP 2.0 2.0 std full 400/40 AP left/right 3D VRT (spin) 0.625 0.625 std full 400/40 COR ANGIO UPPER 2.0 2.0 std full 400/40 thighs front/back SAG ANGIO UPPER 2.0 2.0 std full 400/40 thighs left/right 3D VRT (spin) 0.625 0.625 std full 400/40 COR ANGIO LOWER 2.0 2.0 std full 400/40 lower legs front/back SAG ANGIO LOWER 2.0 2.0 std full 400/40 lower legs left/right 3D VRT (spin) 0.625 0.625 std full 400/40
Smart
Slice
Beam
Dose
Speed Rot
ASIR Scan
Type SFOV kV mA
Range Noise
Index mA Thick Coll Pitch Time Red Time LS 16 helical large 120 50-380 16.36 on 2.5 20 1.750 35.00 0.6 NA NA 22.3 Opt 540 helical large 120 50-380 16.36 on 2.5 20 1.750 35.00 0.6 NA NA 22.3 LS VCT 64 helical large body 120 100-610 14.14 on 2.5 40 1.375 55.00 0.5 0 0 11.8 Disc VCT 64 helical large body 120 100-515 14.14 on 2.5 40 1.375 55.00 0.5 0 0 11.8 Window
Recon
Recon Name of Series Thickness Interval Recon
Algorithm Width/Level Anatomy Direction AX ANGIO 2.5 2.5 std full 400/40 AP thru feet head/feet This must be the first recon for the prescribed Noise Index to be valid. AX ANGIO THINS 1.25 1.25 std full 400/40 AP thru feet head/feet COR ANGIO AP 2.0 2.0 std full 400/40 AP front/back SAG ANGIO AP 2.0 2.0 std full 400/40 AP left/right 3D VRT (spin) 0.625 0.625 std full 400/40 COR ANGIO UPPER 2.0 2.0 std full 400/40 thighs front/back SAG ANGIO UPPER 2.0 2.0 std full 400/40 thighs left/right 3D VRT (spin) 0.625 0.625 std full 400/40 COR ANGIO LOWER 2.0 2.0 std full 400/40 lower legs front/back SAG ANGIO LOWER 2.0 2.0 std full 400/40 lower legs left/right 3D VRT (spin) 0.625 0.625 std full 400/40
Pagina 4 — text în engleză
CTA Runoff (Aorta/Iliofemoral) PHILIPS PARAMETERS & RECONS Scan
Dose
3D
Scan
Mode kV Avg
mAs Index Dose Pitch Detect Colli Rot Time Time Incisive 128 helical 120 103 20 on 1.00 64 0.625 0.75 24.4 Recon
Name of Series Thick Interval Filter Window iDose Recon
Anatomy Direction AX ANGIO 3.0 3.0 mediastinum B 3 head/feet AP thru feet AX ANGIO THINS 1.0 1.0 B mediastinum 3 AP thru feet head/feet COR ANGIO AP 2.0 2.0 mediastinum 3 AP front/back B SAG ANGIO AP 2.0 2.0 mediastinum 3 B AP left/right 3D VRT (spin) 0.75 0.5 COR ANGIO UPPER 2.0 2.0 B 3 mediastinum thighs front/back SAG ANGIO UPPER 2.0 2.0 B mediastinum thighs left/right 3 3D VRT (spin) 0.75 0.5 COR ANGIO LOWER 2.0 2.0 mediastinum 3 lower legs front/back B SAG ANGIO LOWER 2.0 2.0 mediastinum B 3 lower legs left/right 3D VRT (spin) 0.75 0.5
Dose
3D
Scan
Mode kV Avg
mAs Index Dose Pitch Detect Colli Rot Time Time Incisive 128 helical 120 103 20 on 1.00 64 0.625 0.75 24.4 Recon
Name of Series Thick Interval Filter Window iDose Recon
Anatomy Direction AX ANGIO 3.0 3.0 mediastinum B 3 head/feet AP thru feet AX ANGIO THINS 1.0 1.0 B mediastinum 3 AP thru feet head/feet COR ANGIO AP 2.0 2.0 mediastinum 3 AP front/back B SAG ANGIO AP 2.0 2.0 mediastinum 3 B AP left/right 3D VRT (spin) 0.75 0.5 COR ANGIO UPPER 2.0 2.0 B 3 mediastinum thighs front/back SAG ANGIO UPPER 2.0 2.0 B mediastinum thighs left/right 3 3D VRT (spin) 0.75 0.5 COR ANGIO LOWER 2.0 2.0 mediastinum 3 lower legs front/back B SAG ANGIO LOWER 2.0 2.0 mediastinum B 3 lower legs left/right 3D VRT (spin) 0.75 0.5