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University of Chicago carotid, CTA

ExamCard
Philips CT Clinical Science Philips Healthcare USA


Description
Clinical AreaNeck
AnatomyNeck
ExamCardCarotid, CTA
InstitutionUniversity of Chicago
Publication DateSep 1, 2004
ScannerBrilliance 40 Channel Version: Brilliance Version 1.2
Carotid, CTA
Scan 1Injection Protocol
Scan 2Surview
Scan 3Bolus Tracking Locator Image
Scan 4Bolus Tracking Scan
Scan 5Contrast Scan
Scan 6Post Processing Visualization


Injection Protocol
Power InjectorYes with bolus tracking
RouteIV
Size of Angiocath18 G
Contrast TypeOmnipaque
Amount of Contrast100-120 ml
Concentration of Contrast240 mg/ml
Contrast Injection Rate4 ml/sec
Delay(s) to ScanScan triggered off of bolus tracking threshold

Surview
Landmark - Head FirstSternal Notch
Length of Surview250-300 mm
TipsRemove dental workUse "Swimmers" position if Larger patient

Bolus Tracking Locator Image
Landmark PositionAortic Arch
Scan LocationAortic Arch

Bolus Tracking Scan
Threshold Preset130 HU

Contrast Scan
Scan ModeHelical
ResolutionStandard
Collimation16 x 0.625
Thickness0.9 mm
Increment0.45 mm
Pitch0.69
Rotation Time0.75 seconds
kV120
mAs400
Matrix512
FilterC - Sharp
Window/Level650/150
Scan DirectionOut
Coverage250-300 mm

Post Processing Visualization
ApplicationWorkspace - CT Viewer/AVA
RenderingMIP Fade
ThicknessAs acquired
OrientationAxial, coronal, sagittal


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ExamCard
Brilliance 40-channel
Brilliance Version 1.2, carotids, CT Viewer, MIP, Neck, Neuro, Vascular
 

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