RAD FINAL EXAM 2022/2023 WITH COMPLETE SOLUTION

RAD FINAL EXAM 2022/2023 WITH COMPLETE SOLUTION RAD FINAL EXAM 2022/2023 WITH COMPLETE SOLUTION On a FAST scan, what is the dark density (red star above liver)? What does free fluid in a trauma setting indicate? - answerstar= intraperitoneal fluid in a trauma setting, assume the free fluid (dark density) is blood what stones are seen in left/midline, "horizontal" area at L1-L2 level? & what modality is this stone best seen at? - answerPancreatic calcifications (CT is more sensitive for pancreas) what 2 stone types are more likely in the RUQ? what modality will distinguish b/w the two? - answerkidney or gall stones US will distinguish nephrolithiasis, what do you order? - answernon-contrast CT How do gallstones on US appear? What type of shadow is also present? - answerechogenic;(meaning hyperechoic to surroundings) with acoustic shadow calcifications seen in LUQ are: - answerusually related to spleen someone is vomiting blood! what do you order? - answerEGD when would you order a capsule endoscopy for vomiting blood? - answeruse only for persistent/recurring GI bleeding, or if you can't identify on EGD or colonoscopy abdominal pain and leukocytosis in a child, what is the modality of choice? - answerUS initial study for possible appendicitis (in non-pregnant adults)? - answerCT If you suspect diverticulitis, what is modality of choice? what will you see on imaging? - answer-CT w/o contrast -thumb printing On what modality can you see the structure outlined with contrast and air? (image will show highly contrasted view of the large intestine, with "luminated" ascending colon and sigmoid) - answerAir contrast barium enema What is the significance of a barium small bowel series? It evaluates small bowel from ______________ to the _____________. spot films are obtained of the terminal ileum - answerLigament of Treitz; ileocecal valve. (note: Lig of Treitz also called "suspensory ligament of duodenum") what/where is gastric bubble on plain film? - answercircle of air under the diaphragm on L side what is in an acute abdominal series? (3) - answer-PA CXR; -supine abd film -upright abd film how do you identify the position of the pt? on imaging - answerlook at air-fluid levels (left lateral decubitus view of abd can help tell for sure if there is free air) Zenker's diverticula modality of choice? originates at which spine level? - answerBarium swallow C4-C5 (killian triangle) contraindications for contrast (IV, oral) C/I for barium contrast? - answerallergies C/I for barium = perforation Diagnostic mammography, when? __________________ which views? (write it out, he didn't use abbreviations on the last test i think..) - answerWITH s/s of possible cancer (palpable mass, cutaneous erythema or thickening, localized pain, suspicious findings on screening) CC, MLO, ML -cranial to caudal -mediolateral oblique -mediolateral