A 32-year-old woman is evaluated for a 2-month history of gradually worsening dyspnea on exertion. She has difficulty climbing one flight of stairs, but has no wheezing or cough. After physical and cardiopulmonary exam, chest radiography, and
A 28-year-old woman is evaluated after a 4-hour self-limited episode of palpitations. The symptoms occurred while at work yesterday.
A 66-year-old man is evaluated in the emergency department following a fall 3 days ago, when he struck the right side of his chest against a table. Since that time he has experienced right-sided pleuritic chest pain and difficulty taking a deep
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
A 30-year-old man is evaluated for a 1-week history of sore throat and odynophagia. He reports no fever, nausea, vomiting, diarrhea, or other symptoms. He was recently diagnosed with HIV infection and began antiretroviral therapy 2 weeks ago.
A 33-year-old woman is evaluated for a 4-week history of recurrent worsening joint pain and a new rash on the chest and upper back. She reports sun exposure from spending time at the beach. Following a physical exam, what is the most likely
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
Chest radiographs are shown. Test Yourself MKSAP images 2010, American College of Physicians, Medical Knowledge Self-Assessment Program (MKSAP.
A 32-year-old woman is evaluated for a painful rash occurring bilaterally on her lower extremities, which began 2 days ago. She was admitted to the hospital 5 days ago for diagnosis and treatment of pulmonary embolism with heparin and warfarin. Her
12. and folate are normal. Peripheral blood smear is shown. Which of the following is the most appropriate diagnostic test to perform next to evaluate this patient's anemia?