GI Exam 2 (Imaging) Flashcards
Antibiotic Associated Colitis
Contract enhanced CT (Abdomen and pelvis)
Diverticulitis
Abd CT — w/ fever, figuring out if there is a complication
NOW always necessary w/ MILD (NO fever + mild TTP)
NO ENDOSCOPY (Flex sig or C-scope)
Acute Colonic Pseudo-obstruction
Plain films —> Colonic dilation
CT —> R/O mechanical obstruction
Sigmoid Volvulus
Flex sig —> detorsion
Colorectal Cancer
Colonoscopy
Crohn
Crohn
Endoscopy —> Diagnosis
Colonoscopy (First) —> Evaluate colon and terminal ileum (Cobblestoning)
Barium Upper GI series —> Ulcerations. Strictures or fistulas
Capsule endoscopy —> small bowel involvement
UC
Flex Sig —> Acute disease
AVOID Full Colonoscopy —> Fulminant disease
After pts have demonstrated improvement on therapy, colonoscopy is performed to determine the extent of disease
Plain films or CT —> Colonic Dilation or toxic megacolon
Microscopic Colitis
Colonoscopy w/ Biopsy — Clinical Suspicion
Jaundice
Hepatic US
ERCP — evaluate bile ducts if obstruction is suspected
NAFLD (NAFL, NASH)
Hepatic Ultrasonography & biopsy —> Evidence of steatosis
Alcoholic Steatosis
Referral for US & Biopsy if suspected
Cirrhosis
Hepatic Ultrasonography
Liver biopsy —> to establish specific histopathology
EGD — Observe esophageal varices and Gastropathy
Ascites
Abd US — Detect presence of fluid and guides Paracentesis
Abd CT
Spontaneous Bacterial Peritonitis
Ascetic Fluid via Paracentesis
Sec BAC infx suspected? —> CT to find source
Budd-Chiari Syndrome
Hepatic Venous Outflow Tract Obstruction —> Post-hepatic portal HTN
Color Doppler US !!!
