The MKSAP Challenge
A 67-year-old man in previously good health is hospitalized because of a 2-day history of fever and diminished consciousness. The patient responds inconsistently to verbal commands. His temperature is 39.5 C (103.1 F); he has tachycardia, and his blood pressure is 80/58 mm Hg. There is no bleeding. His hemoglobin is 12.1 g/dL, leukocyte count is 29,000/µL with 80% neutrophils, and platelet count is 20,000/µL.
Which of the following studies should be obtained in this patient?
A. Bone marrow aspiration and biopsy
B. Factor VIII level
C. Measurement of platelet-associated IgG
D. Measurements of fibrin D-dimer and total fibrinogen
E. Bleeding time
Internist Archives Quick Links
Not an ACP Member?
Join today and discover the benefits waiting for you.
ACP offers different categories of membership depending on your career stage and professional status. View options, pricing and benefits.
A New Way to Ace the Boards!
Ensure you're board-exam ready with ACP's Board Prep Ace - a multifaceted, self-study program that prepares you to pass the ABIM Certification Exam in internal medicine. Learn more.