A 28-year-old man comes to the emergency department complaining of abdominal pain. He has no significant past medical history, has had no recent illne

Subject
Medicine
System
Infectious Diseases

Kathryn

Member
Jul 29, 2020
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Singapore
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A 28-year-old man comes to the emergency department complaining of abdominal pain. He has no significant past medical history, has had no recent illnesses, and denies any alcohol or drug abuse. He reports that 3 days ago, he developed acute pain in his right upper quadrant. The pain was nonradiating and was associated with nausea and two episodes of nonbloody, nonbilious emesis. He also reports that 2 days ago, he began to turn “yellow.” On examination, he is afebrile and has scleral icterus with mild jaundice of his skin. His right upper quadrant is tender, with no palpable gallbladder and no Murphy’s sign. Determination of which of the following is the most appropriate next step in diagnosis?
(A) Serum hepatitis A IgG titer
(B) Serum hepatitis A IgM titer
(C) Serum hepatitis B surface antibody titer
(D) Serum hepatitis C antibody
(E) Serum hepatitis C RNA level
 
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