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Stack #1119992

QuestionAnswer
What slice thickness/interval is used to image the urinary tract for kidney stones 2.5/2.5mm
Routie abdomen and pelvis 5 mm/5mm slices /interval barium oral contrast IV contrast
renal stone 2.5mm/2.5mmslice/interval no oral contrast, no IV contrast
Aorta Arterial Scan 0.625mm/.625mmslices/interval no oral contrast IV
Most renal abnormalities are best seen on CT without IV contrast medium administration t/f false
An ROI is placed n an adrenal mass; it measures unenhanced 30 HU, enhanced 120HU, 15 minute delay 45HU. What is the washout percentage? 81%
What window setting used to visualize subtle lin=ver lesion 150ww 70 wl
List 2 advantages and disadvantages of CTA for PE fine detail of the scan and short scan time. Disadvatage is high dose and no second chance for the bolus tracking.
Why is gating beneficial in imaging the acending aorta for dissection. Gating is beneficial for post processing of the images that were taken because gating can the image less motion.
What is the difference between prospective and retrospective cardia gating Retrospective cardiac gating use all the cardiac cycle, has more motion artifact. Prospective cardiac gating use the R to R cycle to scan and use less dose
Created by: Fresh58
 

 



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