A 30-year-old woman is evaluated in the emergency department of a community hospital for a 2-week history of fatigue, malaise, low-grade fever, and intermittent epistaxis. Her husband states that she has been forgetful and occasionally confused
A 64-year-old man is evaluated in the emergency department for acute onset of vision loss in the left eye, which began 1 hour ago. He can barely see his own hands in front of his eye. He has no eye pain. Following a physical exam, eye exam, and lab
A 28-year-old woman is evaluated in the emergency department for a 1-week history of progressive headache associated with nausea and vomiting. Medical history is significant for HIV infection. She is nonadherent to her antiretroviral therapy regimen
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 74-year-old man is evaluated for a five-year history of gradually progressive dyspnea and dry cough without wheezing or hemoptysis. For the past 2 years he has had pain and occasional swelling in both knees. Physical examination shows no digital
Symptoms typically include rash and arthralgia. Neither West Nile virus nor Zika virus would be associated with hemolytic anemia, elevated liver chemistry test results, or erythrocyte inclusions.
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
A 55-year-old woman is seen in follow-up for a mildly pruritic eruption on and surrounding her right nipple, which developed about 5 months ago. She has no family history of eczema or psoriasis, and she is otherwise healthy. What is the most likely
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A 44-year-old man is evaluated for a new lesion on the side of his face. It has been present for several months and is asymptomatic. When he shaves he cuts it, and it starts bleeding. Following a physical exam, what is the most likely diagnosis?