WBR271

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Author [[PageAuthor::Sapan Patel M.B.B.S]]
Exam Type ExamType::USMLE Step 3
Main Category MainCategory::Community Medical Health Center, MainCategory::Primary Care Office
Sub Category SubCategory::Genitourinary, SubCategory::Hematology, SubCategory::Pediatrics
Prompt [[Prompt::A 5-year-old child is brought to office because of a sudden onset of irritability, weakness, and pallor. The father provides history that both of his children have been experiencing episodes of vomiting and diarrhea. His physical examination reveals a blood pressure of 115/80, dry mucus membranes, petechiae, and diffuse abdominal pain. The following laboratory work is obtained:
  • Urinalysis: microscopic hematuria and proteinuria
  • Blood urea nitrogen (BUN)/creatinine (Cr): 20/1.0 mg/dL
  • Hemoglobin: 7 g/dL
  • Peripheral blood smear: fragmented RBCs
  • Prothrombin time (PT), partial thromboplastin time (PTT): normal
  • Coombs' test: negative

What is the most likely diagnosis?]]

Answer A AnswerA::Idiopathic thrombocytopenic purpura
Answer A Explanation AnswerAExp::
Answer B AnswerB::Henoch Schonlein Purpura
Answer B Explanation AnswerBExp::
Answer C AnswerC::Evans syndrome
Answer C Explanation AnswerCExp::
Answer D AnswerD::Meningococcemia
Answer D Explanation AnswerDExp::
Answer E AnswerE::Hemolytic Uraemic Syndrome
Answer E Explanation AnswerEExp::
Right Answer RightAnswer::E
Explanation [[Explanation::

Educational Objective:
References: ]]

Approved Approved::Yes
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