USMLE Forum Archives - USMLE Step 3 - GIT
GIT
conym5 - 06-23-09 11:28
A 32-year-old male complains about fatigue and episodic abdominal pain. His pain is located in the
periumbilical region and the left lower quadrant. It is cramplike in nature and is associated with flatulence
and diarrhea. Passing gas alleviates his symptoms. He noted that milk and other dairy products worsen his symptoms. His weight has remained stable. His prior medical history, family and social history, and physical examination are unremarkable. Laboratory tests reveal a hemoglobin of 12 g/dl , normal serum electrolytes blood glucose and TSH. What is the most appropriate next step in your evaluation?
A)Tissue transglutaminase antibody titer.
B) Dietary trial with lactose-free food.
C) Lactose breath test
D) Colonoscopy.
conym5 - 06-23-09 11:28
A 32-year-old male complains about fatigue and episodic abdominal pain. His pain is located in the
periumbilical region and the left lower quadrant. It is cramplike in nature and is associated with flatulence
and diarrhea. Passing gas alleviates his symptoms. He noted that milk and other dairy products worsen his symptoms. His weight has remained stable. His prior medical history, family and social history, and physical examination are unremarkable. Laboratory tests reveal a hemoglobin of 12 g/dl , normal serum electrolytes blood glucose and TSH. What is the most appropriate next step in your evaluation?
A)Tissue transglutaminase antibody titer.
B) Dietary trial with lactose-free food.
C) Lactose breath test
D) Colonoscopy.
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#3
Re: GIT
conym5 - 06-24-09 10:04 ans:BBB
patient’s symptoms are consistent with lactose intolerance. He may have malabsorption
secondary to lactose intolerance, which may be partially responsible for his anemia. If his symptoms resolve with a trial of a lactose-free diet, you have your diagnosis.
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