Pseudothrombocytopenia is a laboratory artifact in which platelets drawn into an ethylenediaminetetraacetic acid (EDTA)-anticoagulated test tube clump and fail to be counted accurately by the automated counter, resulting in a
A 62-year-old woman is evaluated for multiple areas of scaling and rough skin on her forehead and cheeks, the backs of her hands, and forearms. These areas are painless but persist despite application of moisturizer. She is in good overall health
Absolute neutrophil count:. 400/µL (0.4 10. 9. /L). Direct Coombs (antiglobulin) test:.
A 34-year-old woman is evaluated for sharp intermittent pleuritic chest pain that has persisted for 1 week. The pain is worse when she lies down in the supine position. She has had no fever, chills, cough, or weight loss. She had acute viral
A 24-year-old woman is evaluated for a 1-month history of increasing pain and bleeding from a skin ulcer next to her stoma. The skin symptoms get worse each time she changes her appliance. She underwent proctocolectomy 4 years ago for medically
A. aPTT mixing study. B. Direct antiglubulin (Coombs) test. C. Intravenous immune globulin. ... D. Plasma exchange. E. Platelet antibody test. The correct answer is D: Plasma exchange.
Vaginal pH is 6.0, “whiff” test is positive. Results of saline microscopy are shown. ... A urine pregnancy test is negative. MKSAP photo (c) American College of Physicians.
A 48-year-old man is evaluated for a 7-year history of spreading plaques associated with dry, itchy skin. He has no other significant medical history and takes no medications. Following a physical exam and chest radiograph, what is the most
Low-risk patients without evidence of myocardial infarction can be evaluated with an exercise or pharmacologic stress test. ... However, a stress test in a patient with probable acute coronary syndrome could provoke an extension of her myocardial
A 59-year-old man is evaluated for a 4-day history of progressive worsening of fatigue, forgetfulness, constipation, excessive thirst and increased urination. He has no pain. Based upon the findings of a physical exam and lab results, what is the