(board, final 2009): 72yr male with weakness fatigue and burning of feet one wk after cardiac cathetarisation. O/E mottled lacelike rash over the legs and scattered peteciae over the feet. and tip of several toes were cyanotic. Hct37%, WBC 8400, 58% neutrophiles, 20% lymphocytes, 14% eosinophiles, platelet 172000, serum creatinine 4 mg, C3 68mg/dl (70-170) .which should be done to establish the Dx? A. cryoglobulin test. B. antiphospholipid antibody test. C. abdominal aortography. D. muscle biopsy. E. skin biopsy of the foot.
Posted on: Sat, 29 Mar 2014 16:53:03 +0000
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