abdomen/pelvis radiology

what modality is the best for free air?

CT

1. liver, 2. aorta

spleen

small bowel

bladder

liver mass

splenic laceration

left kidney laceration and blood

active bleeding from hepatic portal branch

3

if the abdominal aorta is > _____ cm, an anuerysm is most likely present

enlarged aorta

blood from ruptured aortic aneurysm

conditions that do not require imaging

pancreatitis, hepatitis, pyelonephritis

conditions that do require imagine

cholecystitis, appendicitis, diverticulitis

free air under diaphragm

free air in lung window

Air and fluid containing abscess

gallstone

hydronephrosis

kidney stone

kidney stone

1. NG stube 2. dilated small bowel loop

2.5-3 cm; 6 cm

if the small bowel measures greater than ____________, or the colon measure greater than ________, a bowel obstruction is present

1. dilated colon 2. dilated small bowel

functional; post-operative

an ileus is a ___________ obstruction; all bowel will be distended with gas. this commonly occurs in _____ ________________ patients

1. dilated small bowel; 2. herniated small bowel loop

ultrasound

to image gallstones, __________ is preferred

CT

if there are complications surrounding pancreatitis, a _____ can be done