investigations Flashcards
investigations for cholecystitis and biliary colic
US
further clarification with ERCP or MRCP
pancreas
US first
then CT - around 1 week after onset of symptoms
perforation
first line - erect CXR
CT may help delineate source
appendicitis
US
diverticulitis
CT
pulmonary embolism
CTPA !!!
distended abdomen and bowel source suspected
AXR
CT may delineate cause
colorectal cancer
FOBT screening
colonoscopy
distended abdomen and fluid suspected
US
haematemesis
endoscopy
acute GI bleed
complements endoscopy
image when bleeding - CT with IV contrast
with/out angiography and intervention
lower GI bleed
complements endoscopy
image when bleeding - CT with IV contrast
with/out angiography and intervention
difficulty swallowing
= dysphagia
endoscopy
Ba or water soluble contrast
changes in bowel habit
PR exam
Ba enema or CT colonography
changes in bowel habit - further visualisation of the right colon
flexible sigmoidoscopy
