A 58-year-old woman presents with a 1-year history of functional decline. She reports seeing rodents and little children invading her bedroom. Her partner tells you she has a slow, unsteady gait and tends to fall. On examination, she cannot sustain her attention during cognitive testing. Which one of the following is most likely to be found on brain imaging?
A 9-year-old girl from a remote community is brought to the clinic with a 2-week history of swelling in her neck. She has been afebrile but has had some night sweats. On examination, you note a fixed, unilateral, and nontender supraclavicular lymph node measuring 3 cm. The overlying skin color is unremarkable. In addition, you note a slightly enlarged spleen and liver. Which one of the following is the most likely diagnosis?
A 37-year-old woman presents to your clinic with frequent palpitations. She has no other symptoms and is quite active. Physical examination and resting electrocardiogram findings are normal. Which one of the following is the best next step?
A 35-year-old maintenance worker presents to your office because he thinks he has been exposed to asbestos and is afraid of developing asbestosis. He has no respiratory symptoms and is a non-smoker. Which one of the following is the best next step?
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