Step 1

Microbiology 2

A 52-year-old woman presents to the emergency department with complaints of shortness of breath and a sharp pain that radiates to her neck area each time she takes a breath. She reports that she feels more comfortable when sitting and leaning forward. Physical examination reveals that the lungs are clear to auscultation, and there is a friction rub heard on cardiac examination. A chest x-ray is negative, and an electrocardiogram reveals no acute changes. An echocardiogram reveals a moderate pericardial effusion.

Which of the following is most likely causative agents of the patient's symptoms?

  • A) Coxsackie virus
  • B) Mycobacterium tuberculosis
  • C) Parvovirus B19
  • D) Staphylococcus aureus
  • E) Streptococcus viridans


Dr. Ted O'Connell


Dr. Ted O'Connell

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