CT — Angio-CT membre inferioare (MCB)
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MCB Radiology — 9 CTA Legs
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- 2026-09-27
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Documentul original MCB — Angio-CT membre inferioare
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 Legs Reviewed 05/14/25 Indications - peripheral artery disease, claudication, ischemia, absent pulses, aneurysm, trauma. Bill under CT Angiography LE charges. GENERAL SCAN NOTES Remove any metal from the imaging field of view. Topogram - lung bases through toes (obtained during end inspiration). Craniocaudal scan coverage - iliac crests through toes (obtained during end inspiration). Adjust FOV (field of view) on topogram to smallest without cropping anatomy. Scan parameters are the same as CTA runoff. 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 distal abdominal aorta triggered at 100 HU. 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 Legs SIEMENS PARAMETERS & RECONS Scan
Care
Scan
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Rot Time Time Sensation 16 spiral 120 150 on NA 1.15 16 1.5 0.5 19.9 Go Up 32 spiral 110 124 on on 155 1.00 32 0.7 0.8 39.3 Sensation 64 spiral 120 150 on NA 1.20 64 0.6 0.5 23.9 Definition 64 spiral 120 120 on on 0.85 64 0.6 0.3 20.2 Go Top 64 spiral 100 136 on on 155 0.35 64 0.6 0.5 40.9 Drive 128 spiral 120 84 on on 0.60 128 0.6 0.5 23.9 Force 192 spiral 110 90 on on 0.60 192 0.6 0.5 15.9 IR
Recon
Recon
Thick Name of Series Kernel Window Interval Lvl Anatomy Direction AX ANGIO Br40 / B41f mediastinum 3 pelvis thru feet head/feet 3.0 3.0 1.0 (64 slice) 1.0 (64 slice) AX ANGIO THINS Br40 / B41f mediastinum 3 pelvis thru feet head/feet 2.0 (16 slice) 2.0 (16 slice) COR ANGIO PELV Br40 / B41f mediastinum 3 pelvis front/back 2.0 2.0 SAG ANGIO PELV Br40 / B41f mediastinum 3 2.0 2.0 pelvis left/right 3D VRT (spin) Bv36 / B31f CT angio 0.75 0.5 COR ANGIO UPPER Br40 / B41f mediastinum 3 2.0 2.0 thighs front/back SAG ANGIO UPPER Br40 / B41f mediastinum 3 thighs left/right 2.0 2.0 3D VRT (spin) Bv36 / B31f CT angio 0.75 0.5 COR ANGIO LOWER Br40 / B41f mediastinum 3 lower legs front/back 2.0 2.0 SAG ANGIO LOWER Br40 / B41f mediastinum 2.0 2.0 3 lower legs left/right 3D VRT (spin) Bv36 / B31f CT angio 0.75 0.5
Care
Scan
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Rot Time Time Sensation 16 spiral 120 150 on NA 1.15 16 1.5 0.5 19.9 Go Up 32 spiral 110 124 on on 155 1.00 32 0.7 0.8 39.3 Sensation 64 spiral 120 150 on NA 1.20 64 0.6 0.5 23.9 Definition 64 spiral 120 120 on on 0.85 64 0.6 0.3 20.2 Go Top 64 spiral 100 136 on on 155 0.35 64 0.6 0.5 40.9 Drive 128 spiral 120 84 on on 0.60 128 0.6 0.5 23.9 Force 192 spiral 110 90 on on 0.60 192 0.6 0.5 15.9 IR
Recon
Recon
Thick Name of Series Kernel Window Interval Lvl Anatomy Direction AX ANGIO Br40 / B41f mediastinum 3 pelvis thru feet head/feet 3.0 3.0 1.0 (64 slice) 1.0 (64 slice) AX ANGIO THINS Br40 / B41f mediastinum 3 pelvis thru feet head/feet 2.0 (16 slice) 2.0 (16 slice) COR ANGIO PELV Br40 / B41f mediastinum 3 pelvis front/back 2.0 2.0 SAG ANGIO PELV Br40 / B41f mediastinum 3 2.0 2.0 pelvis left/right 3D VRT (spin) Bv36 / B31f CT angio 0.75 0.5 COR ANGIO UPPER Br40 / B41f mediastinum 3 2.0 2.0 thighs front/back SAG ANGIO UPPER Br40 / B41f mediastinum 3 thighs left/right 2.0 2.0 3D VRT (spin) Bv36 / B31f CT angio 0.75 0.5 COR ANGIO LOWER Br40 / B41f mediastinum 3 lower legs front/back 2.0 2.0 SAG ANGIO LOWER Br40 / B41f mediastinum 2.0 2.0 3 lower legs left/right 3D VRT (spin) Bv36 / B31f CT angio 0.75 0.5
Pagina 3 — text în engleză
CTA Legs GE PARAMETERS & RECONS Scan
Smart
Slice
Beam
Dose
Type SFOV kV mA
Range Noise
Index Speed Rot
mA Thick Coll Pitch Time Red ASIR Scan
Time LS 16 helical large 120 50-380 16.36 on 2.5 0.6 NA NA 18.9 20 1.750 35.00 Opt 540 helical large 120 50-380 16.36 on 2.5 20 1.750 35.00 0.6 NA NA 18.9 LS VCT 64 helical large body 120 100-610 14.14 on 2.5 0 10.0 40 1.375 55.00 0.5 0 40 1.375 55.00 0.5 0 0 Disc VCT 64 helical large body 120 100-515 14.14 on 2.5 10.0 Window
Recon
Recon Name of Series Thickness Interval Recon
Algorithm Width/Level Anatomy Direction AX ANGIO 2.5 2.5 std full 400/40 pelvis 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 pelvis thru feet head/feet COR ANGIO PELV 2.0 2.0 std full 400/40 pelvis front/back SAG ANGIO PELV 2.0 2.0 std full 400/40 pelvis 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 400/40 400/40 COR ANGIO LOWER 2.0 2.0 std full lower legs front/back SAG ANGIO LOWER lower legs left/right 2.0 2.0 std full 400/40 3D VRT (spin) 0.625 0.625 std full 400/40
Smart
Slice
Beam
Dose
Type SFOV kV mA
Range Noise
Index Speed Rot
mA Thick Coll Pitch Time Red ASIR Scan
Time LS 16 helical large 120 50-380 16.36 on 2.5 0.6 NA NA 18.9 20 1.750 35.00 Opt 540 helical large 120 50-380 16.36 on 2.5 20 1.750 35.00 0.6 NA NA 18.9 LS VCT 64 helical large body 120 100-610 14.14 on 2.5 0 10.0 40 1.375 55.00 0.5 0 40 1.375 55.00 0.5 0 0 Disc VCT 64 helical large body 120 100-515 14.14 on 2.5 10.0 Window
Recon
Recon Name of Series Thickness Interval Recon
Algorithm Width/Level Anatomy Direction AX ANGIO 2.5 2.5 std full 400/40 pelvis 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 pelvis thru feet head/feet COR ANGIO PELV 2.0 2.0 std full 400/40 pelvis front/back SAG ANGIO PELV 2.0 2.0 std full 400/40 pelvis 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 400/40 400/40 COR ANGIO LOWER 2.0 2.0 std full lower legs front/back SAG ANGIO LOWER lower legs left/right 2.0 2.0 std full 400/40 3D VRT (spin) 0.625 0.625 std full 400/40
Pagina 4 — text în engleză
CTA Legs 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 20.6 Recon
Name of Series Thick Interval Filter Window iDose Recon
Anatomy Direction AX ANGIO 3.0 3.0 B mediastinum 3 pelvis thru feet head/feet AX ANGIO THINS 1.0 1.0 B mediastinum 3 pelvis thru feet head/feet COR ANGIO PELV 2.0 2.0 B mediastinum 3 pelvis front/back SAG ANGIO PELV 2.0 2.0 B mediastinum 3 pelvis left/right 3D VRT (spin) 0.75 0.5 COR ANGIO UPPER 2.0 2.0 B mediastinum 3 thighs front/back SAG ANGIO UPPER 2.0 2.0 B mediastinum 3 thighs left/right 3D VRT (spin) 0.75 0.5 COR ANGIO LOWER 2.0 2.0 B mediastinum 3 lower legs front/back SAG ANGIO LOWER 2.0 2.0 B mediastinum 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 20.6 Recon
Name of Series Thick Interval Filter Window iDose Recon
Anatomy Direction AX ANGIO 3.0 3.0 B mediastinum 3 pelvis thru feet head/feet AX ANGIO THINS 1.0 1.0 B mediastinum 3 pelvis thru feet head/feet COR ANGIO PELV 2.0 2.0 B mediastinum 3 pelvis front/back SAG ANGIO PELV 2.0 2.0 B mediastinum 3 pelvis left/right 3D VRT (spin) 0.75 0.5 COR ANGIO UPPER 2.0 2.0 B mediastinum 3 thighs front/back SAG ANGIO UPPER 2.0 2.0 B mediastinum 3 thighs left/right 3D VRT (spin) 0.75 0.5 COR ANGIO LOWER 2.0 2.0 B mediastinum 3 lower legs front/back SAG ANGIO LOWER 2.0 2.0 B mediastinum 3 lower legs left/right 3D VRT (spin) 0.75 0.5