A 47-year-old man is evaluated for a skin eruption. Approximately 2 weeks ago, his wife noted an erythematous macule on his back. Over the ensuing week, the site became progressively larger. He notes mild fatigue but no fevers. He recently returned
A 22-year-old man is evaluated for a skin eruption on his leg. The patient lives in Virginia and is active outdoors. One week ago, he found a black tick on his lower leg, which his roommate removed with a tweezers. Yesterday he developed diffuse
Direct antiglobulin (Coombs) test:. Negative. A bone marrow aspiration reveals a “dry tap.” A peripheral blood smear and bone marrow biopsy are shown.
D. Exercise treadmill stress test. The correct answer is D: Exercise treadmill stress test. ... In this setting, an exercise treadmill stress test is the most appropriate noninvasive imaging study.
A 64-year-old woman is evaluated for a 6-week history of dyspnea, dry cough, fever, chills, night sweats, and fatigue, which have not responded to treatment with azithromycin and levofloxacin; she has lost 2.2 kg (5 lb) during that time. Based upon
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.
What is the most likely cause of the findings in this high-resolution CT scan?
Performing another HIV test is not indicated in this patient at this time.
A 55-year-old man is evaluated in the emergency department after experiencing fever and chills yesterday evening and bilateral arm pain and a rash on the upper extremities upon awakening this morning. The patient ate raw oysters from the Gulf Coast
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