GI: Diagnostic Studies Flashcards
Which diagnostic should be ordered for these sxs?
abd. pain, N/V, distension
Abd. X-Ray
A patient presenting with the following can be evaluated with what study?
Obstruction Ileus Perf Stool Burden Ureteral Calculi FB
abd. XR
What are the three views of abd XR?
Supine, Upright, PA CXR
Which abd XR view has the following characteristics…
- assess dilated bowel
- 1st test to eval abd. problems
Supine (aka KUB)
Which abd. XR view offers better visualization of air fluid levels?
Upright
Which abd. XR view visualizes free air under diaphragms to assess for perf?
PA CXR
The below two findings on abd XR indicate what?
dilated proximal bowel/collapsed distal bowel
air fluid levels
small bowel obstruction
What condition has the below features on abd XR?
no air-fluid levels
dilated bowel w. air in small intestine and colon
ileus
Free air outside of the bowel/pneumoperitoneum indicates…
perforation
XR is C/I in what two conditions?
radiation exposure
pregnancy
Abd. US can be ordered for a specific organ or…
region/quadrant
A patient presenting with the following can be assessed with what diagnostic imaging?
Abd. Pain (Epigastric, RUQ/LUQ) elevated LFTs Liver Disease Stones renal failure AAA ( > 3cm)
Abd. US
The below liver conditions can be identified with what imaging modality?
cysts, abscess, tumor, steatosis, hepatitis, cirrhosis
US
The below gallbladder conditions can be assessed with what imaging modality?
tumors, polyps, stones, sludge, inflammation, dilated bile ducts
US
Possible US findings on pancreas (4)
cysts, abscess, tumor, inflammation
Possible US findings on kidney/bladder (5)
cysts, abscess, tumor, hydronephrosis, renal calculi
Initial test of choice for cholelithiasis…
RUQ/Gallbladder US
Assessment of what condition should not be done with contrast CT?
renal stone study
A patient presenting with the following is indicated for what imaging modality?
Abd. pain Abd. distension NV Diarrhea Constipation Rectal Bleeding Jaundice
CT Abdomen/Pelvis
Which imaging modality is the preferred study for pancreatitis?
CT
Diverticulitis can be assessed with what study?
CT
What can be seen on CT A/P in acute pancreatitis?
inflammation/swelling
What can be seen on CT A/P in chronic pancreatitis?
white calcifications
Patient presents with right flank pain and hematuria. What initial study should you order?
Non-contrast CT A/P
The below are C/Is for what diagnostic study?
pregnancy unstable vitals morbid obesity allergy elevated Cr
CT A/P
What type of AKI can occur due to contrast CT?
acute tubular necrosis/intrinsic renal
Metformin must be held for 48 hrs after contrast administration to prevent what condition?
lactic acidosis
This test…
-assess bile excreting function of liver and GB via IV radioactive tracer
HIDA scan
Interpret the following result of HIDA scan…
- no radionuclide seen in GB w/in 15-60 min
- ordered w/ CCK stimulation & EF < 35%
cholecystitis
HIDA scan showing no GB visualization can mean ______, which is present in what two conditions?
obstruction
Cholecystitis, Acalculous cholecystitis
C/I for HIDA scan
pregnancy (radiation)
This series of studies are helpful in assessing luminal GI tract disorders and offer visualization by coating the GI mucosa…
barium studies
What are the 4 types of barium studies?
esophagram/barium swallow
UGI
SBFT (small bowel follow through)
BE (barium enema)
which barium study visualizes the esophagus and the gastroesophageal junction?
esophagram/barium swallow