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
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 50-year-old man is evaluated for a 6-month history of dysphagia. He describes a sensation of both solids and liquids sticking in the midesophageal area. This sensation has slowly worsened over time. He also describes intermittent midsternal
A 27-year-old woman is evaluated during a follow-up visit for high blood pressure that manifested 4 months after she began taking an oral contraceptive pill. Despite stopping the oral contraceptive pill, her blood pressure has remained high.
A 79-year-old woman is seen for an annual examination. She is in good health except for osteopenia, for which she takes calcium and Vitamin D supplements. She walks regularly to and from the bus stop several times per week. It takes her 25 minutes
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
Which of the following is the most appropriate diagnostic test to perform next in this patient?
Which of the following is the most appropriate diagnostic test to perform next? ... is not the most appropriate test.