Gastrointestinal

Question 1

Patient has liver disease and low albumin but high total protein. What condition?

Answer 1

Autoimmune hepatitis
(high protein due to elevated IgG)

Question 2

• 2-month-old infant has projectile vomiting and hyperbilirubinemia
• expected lab finding?

Answer 2

• Pyloric stenosis (icteropyloric syndrome)
• hypochloremic hypokalemic metabolic alkalosis

Question 3

Intussusception in a 10-year-old should prompt and evaluation for

Answer 3

A lead point (e.g., lymphoma or Meckel’s)

Question 4

Neonate with bilious emesis: what imaging is gold standard for diagnosis?

Answer 4

Upper GI series (malrotation/volvulus; time is bowel!)

Question 5

What is the test for protein-losing enteropathy?

Answer 5

Stool alpha-1 antitrypsin

Question 6

Well-appearing 3-month-old with bloody stools: what is the treatment?

Answer 6

Hydrolyzed formula or maternal cow’s milk elimination diet if breastfed

Question 7

Painless bright red blood per rectum

Answer 7

Meckel’s diverticulum

Question 8

Neonate with direct hyperbilirubinemia and high ferritin

Answer 8

Neonatal hemochromatosis

Question 9

Fever, abdominal pain, jaundice

Answer 9

Cholangitis (Charcot triad)

Question 10

Patient with ulcerative colitis presents with pruritus.
Diagnosis?

Answer 10

Primary sclerosing cholangitis

Question 11

Bacteria associated with diarrhea and seizures

Answer 11

Shigella

Mnemonic: Shigella makes you “shake”

Question 12

Signs of toxin-mediated infectious diarrhea

Answer 12

Watery, non-bloody, and symptoms come on within hours not days
(S. aureus, Bacillus cereus, etc.)