GI Flashcards
A patient presents with sudden onset of severe, diffuse abdominal pain.
Examination reveals peritoneal signs, and abdominal radiograph reveals free air under the diaphragm.
Management?
Emergent laparotomy to repair a perforated viscus.
The most likely cause of acute lower GI bleeding in patients >40 years of age.
Diverticulosis
Diagnostic modality used when ultrasonography is equivocal for cholecystitis.
HIDA scan (hepatobiliary iminodiacetic acid)
Risk factors for cholelithiasis
Fs
Fat, female, fertile, forty, flatulent
Inspiratory arrest during palpation of the RUQ
Murphy sign, acute cholecystitis
The most common cause of small bowel obstruction in patients with no hx of abdominal surgery
Hernia
The most common cause of SBO in patients with a hx of abdominal surgery
Adhesions
Key organism causing diarrhea:
Most common bacterial organism
Campylobacter
Key organism causing diarrhea:
Recent antibiotic use
Clostridium difficile
Key organism causing diarrhea:
Camping
Giardia
Key organism causing diarrhea:
Traveler’s diarrhea
ETEC - enterotoxigenic escherichia coli
Key organism causing diarrhea:
Church picnics/ mayonnaise
S aureus
Key organism causing diarrhea:
Uncooked hamburgers
E coli O157:H7
Key organism causing diarrhea:
Fried rice
Bacillus cereus
Key organism causing diarrhea:
Poulty/eggs
Salmonella
Key organism causing diarrhea:
Raw seafood
Vibrio, hepatitis A virus (HAV)