Section 9 Flashcards
most important measure of immune competency in patients with acquired immunodeficiency syndrome
CD4 count
Most common cause of acute nausea and vomiting
viral gastroenteritis
Most common cause of antibiotic-associated or nosocomial diarrhea
C. difficile infection
most common extraintestinal complications ulcerative colitis
Peripheral and axial arthritis and skin lesions including erythema nodosum and pyoderma gangrenosum
most common complication of ulcerative colitis
Blood loss from sustained hemorrhage
most reliable way to diagnose upper GI bleeding in the ED.
Visual inspection of the vomitus
most common source for all causes of blood detected in the lower GI system
Upper GI bleeds
most common cause of an established lower GI Bleeding
diverticular disease (left colon)
most common source of anorectal bleeding
Hemorrhoids
most common of infectious esophagitis
Candidal species
most frequent cause of esophageal perforation
Iatrogenic perforation
most commonly identified in food impaction
meat
most common cause of chronic pancreatitis
alcohol-induced
most common complication of gallstone disease
Biliary colic
most common cause of acute hepatitis
viral infection and toxic ingestion
most common toxic causes of acute hepatitis
Alcohol and acetaminophen
most common life-threatening complication of ascites
SBP
most ominous complications of hepatic failure
Cerebral edema and intracranial hypertension
Most common manifestation of NAFLD
hepatic steatosis or simply fatty liver
most frequent cause of atraumatic abdominal pain in children >1 year old, and is the most common nonobstetric surgical emergency in pregnancy,
Acute appendicitis
among the most common complications of diverticulitis
Abscesses and phlegmon
most common cause of bowel obstructions
small bowel obstruction
most common cause of small bowel obstruction
adhesions after abdominal surgery
Second most common cause of small bowel obstruction
incarceration of a hernia
most common cause of large bowel obstruction
neoplasm
second most common cause of large bowel obstruction
diverticulitis
Next most frequent cause of large bowel obstruction after cancer and diverticulitis
sigmoid volvulus
most common cause of bright red rectal bleeding
hemorrhoids
Most common anorectal abscess location
perianal
least common anorectal abscess location
supralevator (pelvirectal)
second most common anorectal abscess location
Ischiorectal abscesses
most common complication of colonoscopy
hemorrhage
Most important pathologic feature of Crohn’s disease
involvement of all the layers of the bowel and extension into mesenteric lymph nodes
