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 35-year-old woman is evaluated for worsening thrombocytopenia; she is pregnant at 36 weeks' gestation. Medical history is significant for immune thrombocytopenic purpura. Previous platelet counts during this pregnancy have been 80,000 to
A 50-year-old black man with ischemic cardiomyopathy presents for a routine follow-up. His medical history is significant for biventricular pacemaker/cardioverter-defibrilator placement and diabetes mellitus. Which medication should be added?.
Laboratory test results include normal chemistries, a negative anti-nuclear antibody (ANA) test, and a normal complete blood count other than a leukocyte count of 13.8 10. ... Lupus is also associated with nonerosive joint pain and interstitial lung
A 28-year-old woman is evaluated after a 4-hour self-limited episode of palpitations. The symptoms occurred while at work yesterday.
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 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
Antinuclear antibody test results are negative, and anti-Ro/SSA antibody test results are positive.
A 49-year-old woman is evaluated for a 6- month history of exertional dyspnea and nonproductive cough that had an insidious onset. She has not noticed any particular triggers for her cough. She has no history of asthma, airway disease, reflux, or
A 62-year-old man undergoes a routine examination. He notes increasing fatigue of 8 months' duration but states he can perform his usual daily activities. He has no fever, night sweats, anorexia, or weight loss. The medical history is noncontributory