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CTA Head Perfusion and Neck IVcon wo/w IMG12135
Machine Model: Canon Aquilion ONE 320, Canon Genesis 640, Canon Vision 640
Generated:
2021-04-20 20:31:20
IV Contrast 5 ml/sec using 20 g PIV Minimum See IV Guidelines
for other access lines.
IV Saline 3 ml/sec using 20 g PIV Minimum
Oral Contrast NA
Water NA
Contrast amount determined by weight and renal function.
Special Instructions: IOML perpendicular to table top
Scanogram: Lateral / AP
Landmark: Carina
A Non-Contrast B Dynamic AOT Perfusion B Dynamic AOT Perfusion B Dynamic AOT Perfusion B Dynamic AOT Perfusion B Dynamic AOT Perfusion BT Bolus Tracking C Arterial D Arterial E Venous
Scan Start Skull Base Skull Base Skull Base Skull Base Skull Base Skull Base Hyoid Skull Base Sella Below Mentum
Scan Stop Skull Vertex Skull Vertex Skull Vertex Skull Vertex Skull Vertex Skull Vertex Hyoid Skull Vertex Carina Skull Vertex
Patient Position Supine Supine Supine Supine Supine Supine Supine Supine Supine Supine
Scan Direction caudal/cranial NA NA NA NA NA NA caudal/cranial Craniocaudal caudal/cranial
Scan Mode Helical Volume Volume Volume Volume Volume S&V Helical Helical Helical
Scan Range If Volume NA 160 mm 160 mm 160 mm 160 mm 160 mm NA NA NA NA
Scan Delay NA NA NA NA NA NA 10 seconds NA NA 2 minutes
Bolus Tracking NA NA NA NA NA NA Bolus Track Carotids Manually Bolus Track Carotids Manually NA NA
Reconstruction 1 Thickness x Spacing 1 mm x 1 mm 0.5 mm x 0.5 mm 0.5 mm x 0.5 mm 0.5 mm x 0.5 mm 0.5 mm x 0.5 mm 0.5 mm x 0.5 mm .5 mm x .3 mm 1 mm x .8 mm 1 mm x 1 mm
Algorithm Brain Head 4D CBP Head 4D CBP Head 4D CBP Head 4D CBP Head 4D CBP CTA Brain CTA Neck Brain
FOV 22 cm 22 cm 22 cm 22 cm 22 cm 22 cm 22 cm 24 cm 22 cm
Reconstruction 2 Thickness x Spacing MIP 10 x 5 MIP 10 x 5 MIP 10 x 5 MIP 10 x 5
Algorithm CTA Brain Stack Subtraction CTA Brain CTA Neck
FOV Axial + Cor + Sag Axial + Cor + Sag Axial + Cor + Sag Coronal + Obliques
FC 64 41 41 41 41 41 1 43 43 64
kVp 120 kVp 80 kVp 80 kVp 80 kVp 80 kVp 80 kVp 120 kVp 120 kVp 120 kVp 120 kVp
Scan FOV 16 cm 16 cm 16 cm 16 cm 16 cm 16 cm 24 cm 16 cm 24 cm 16 cm
Pitch Detail One Shot Intermittent Intermittent Intermittent Intermittent NA Detail Detail Detail
mA 400 mA 500 mA 300 mA 430 mA 300 mA 300 mA 50 mA 400 mA Quality Modulated mA 400 mA
Rotation Time .5 sec .75 sec .75 sec .75 sec .75 sec .75 sec .5 sec .5 sec .5 sec .75 sec
Detector Rows 0.5 mm x 80 mm 0.5 mm x 160 mm 0.5 mm x 160 mm 0.5 mm x 160 mm 0.5 mm x 160 mm 0.5 mm x 160 mm 0.5 mm x 8 mm 0.5 mm x 80 mm 0.5 mm x 80 mm 0.5 mm x 80 mm
Indications: TIA / transient ischemic attack , acute stroke , arterial dissection and intramural hematoma , arterial embolus , cerebral infarct , cerebral ischemia , vascular abnormality , vascular bypass surgery , vertebrobasilar insufficiency .
*If there is patient motion on perfusion, do a Helical CTA Head while imaging CTA Neck
Create CTA Brain Stack by using "Time Density Graph" on Vital to locate peak arterial volume.  Select "Brain Time Stack" then highlight peak CTA volume and volume immediately prior.
For Subtraction select Brain Subtraction tool, load CTA Brain Stack into Contrast Volume and 1st perfusion     Volume into        Non-Contrast Volume