11: GIGU Imaging

Question 1

Original use for KUB and what its been replaced with

Answer 1

Originally for IDing kidney stones, but not very sensitive or specific -> replaced by CT without contrast

Question 2

Four major things US looks for in different organs

Answer 2

Size, shap, inflammation, stones

Question 3

What can abdominal US see after trauma? What is the exam name?

Answer 3

Fluid or blood collecting abnormally in spaces; FAST exam

Question 4

What is considered an abnormal gallbladder ejection fraction on a HIDA with CCK?

Answer 4

Less than 35-40%

Question 5

Presentation of Zenker’s diverticula

Answer 5

Progressive dysphagia, small bites with lots of chewing, often drink extra water in an attempt to “wash down the food”, halitosis, mass in neck, regurgitation, possible unintentional weight loss and malnourishment

Question 6

What does not show up well on CT?

Answer 6

Mucosal disease, ulcers, small neoplasms

Question 7

Typical presentation of renal lithiasis

Answer 7

Sudden onset unilateral flank pain radiating to groin, N/V, he mature a, waxing and waning pain as stone moves

Question 8

If kidney stones are expected in a pregnant patient, what is the alternative modality?

Answer 8

Renal and bladder US with or without KUB

Question 9

What which tissues have the highest radio sensitivity? Which are very high?

Answer 9

Highest: embryonic tissue, lymphoid organs, bone marrow, blood, testes and ovaries, SI
High: skin, lens and cornea of eye, most GI organs, bladder, uterus

Question 10

Prep for EGD

Answer 10

Nothing to eat after midnight, clear liquids up to 2 hours prior

Question 11

Anesthesia for EGD

Answer 11

Sedation with intubation to protect airway

Question 12

Colonoscopy prep

Answer 12

Limit pt to clear liquids the day before + combo of laxatives -> copious loose stools and diarrhea

Question 13

Anesthesia for colonoscopy

Answer 13

Conscious sedation