radiology Flashcards
what is a supine abdo x-ray good for
assessing for bowel obstruction
whats an erect abdo x-ray good for
assessing for hollow viscus perforation
chest x-ray radiation dose
0.1mSv
what imaging for appendicitis
CT and USS
-do USS first then CT if inconclusive
what colour is fluid on USS
black
US findings of appendicitis
-dilated appendix
-appears round when compression applied
-periappendiceal fluid collection
-target appearance
CT findings for appendicitis
-dilation
-wall thickening and enhancement
-periappendiceal inflammation
possible diagnosis for LIF pain
-diverticulitis
-colitis
-colorectal cancer
-tubo-ovarian pathology
-renal colic
investigation of choice for acute diverticulitis
CT with IV contrast
differential diagnosis for epigastric and RUQ pain
-biliary colic
-cholecystitis
-pancreatitis
-perforation
imaging for acute cholecystitis
-US
-CT for complications
-MRI if biliary tree dilatation
pancreatitis imaging
US or CT
differentials for abdo pain and distension
-bowel obstruction
-masses
-ascites
imaging for bowel obstruction
X ray or CT
differentials for sudden abdo pain and shock
-bowel ischaemia
-perforation
-pancreatitis
-leaking AAA
-ruptured ectopic pregnancy
imaging for perforation
CT
what is this
intra-axial haemorrhage
what is this
extra-dural haematoma
what is this
sub dural haematoma
what is this
subarachnoid haematoma
artery causing this stroke
left PCA
artery causing this stroke
right MCA
artery causing this stroke
right ACA
