Gastroenterology 1
Preferred induction treatment for ulcerative colitis unresponsive to 5-ASA
Infliximab
Recommended surveillance in serrated polyposis syndrome
Colonoscopy every 1-3 years, removal of polyps >5 mm
Transfusion threshold for UGIB in stable patient without CVD
7 g/dL
Initial diagnostic imaging test in acute pancreatitis
Abdominal ultrasonography
Diagnosis suggested by severe abdominal pain out of proportion to physical exam findings
Acute mesenteric ischemia
ARB associated with celiac-like enteropathy
Olmesartan
Timing of colonoscopy after removal of 3-4 adenomas <10 mm
3-5 years
Preferred agent for preventing NSAID-related upper GI complications
PPIs
Settings for gastrointestinal neuroendocrine tumors
Gastrinoma (Zollinger-Ellison syndrome) and atrophic gastritis
Diagnosis suggested by postprandial vasomotor symptoms, abdominal cramping, diarrhea
Dumping syndrome
IBS-C first-line treatment
Polyethylene glycol
Age to begin CRC screening if CRC or advanced polyp diagnosed in two first-degree relatives
Age 40 years or 10 years before youngest relative's diagnosis, whichever is earliest
Most common cause of small-bowel obstruction
Adhesive disease from previous surgery
Key lifestyle modifications in chronic pancreatitis
Smoking cessation, alcohol abstinence
Treatment duration of PPI in uncomplicated GERD
8 weeks; then lowest dose possible with annual attempt to discontinue
IBD diagnostic test
Ileocolonoscopy with biopsy
Treatment for all patients with Barrett esophagus
PPI and lifestyle changes (smoking cessation, weight loss)
Diagnosis suggested by fistula, perianal disease, strictures, abscess
Crohn disease
Preferred test for histologic confirmation of pancreatic cancer
Endoscopic ultrasonography–guided FNA biopsy
Preferred diagnostic test for acute mesenteric ischemia
CTA
First-line treatments for eosinophilic esophagitis
Elimination diets, PPI, swallowed topical glucocorticoids
Colonoscopy timing after acute diverticulitis
6-8 weeks after symptom resolution
Test for small-bowel bleeding after negative upper and lower endoscopy in stable patient
Capsule endoscopy
Acute pancreatitis lab tests predicting poor outcome
Elevated hematocrit and BUN
Angiographic findings suggesting chronic mesenteric ischemia
>70% stenosis of two of three mesenteric arteries