A 20-year-old male college student is having trouble sleeping because of an itchy rash on his hands and inner aspect of his arm.
A vesicular rash is shown. Which of the following is the most appropriate test to perform next? ... This test combines an immunoassay for HIV antibody with a test for HIV p24 antigen.
A 68-year-old man is evaluated in the emergency department for a 5-day history of an asymptomatic rash on the upper back and upper arms. The lesions grew suddenly and are neither pruritic nor painful. The patient has had associated fevers. He has a
A 32-year-old woman is evaluated for a new rash on her legs. She was diagnosed with pyelonephritis 4 days ago and was started on a 7-day regimen of trimethoprim-sulfamethoxazole based on urine culture and sensitivity data; her urinary symptoms have
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
What is the most likely cause of the findings in this high-resolution CT scan?
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 19-year-old man is evaluated for 4 to 5 months of persistent itching, thickening of the skin, and odor of the feet. He also has hyperhidrosis of the palms and soles. Medical history is otherwise unremarkable, and he takes no medications. Following
A 31-year-old woman is evaluated for a 5-day history of a nonpainful cutaneous lesion on the back of her left hand. She works as a packer in a parcel distribution center. She does not recall injury to this area and reports no unusual employment or
Which of the following is the most appropriate diagnostic test to perform next in this patient?