Tenofovir, emtricitabine, and raltegravir are used to treat HIV infection. This drug combination would be an appropriate choice for HIV-related PAN, but the patient's HIV test is negative and
Stool studies for enteric pathogens may identify a precipitant of toxic megacolon but require a minimum of 24 hours before test results are received.
A 78-year-old man is evaluated for palpitations, worsening fatigue, and exercise intolerance. Two months ago, he was diagnosed with atrial flutter and subsequently underwent cardioversion to normal sinus rhythm. Following a physical exam, lab studies
A 64-year-old man is evaluated in the emergency department for acute onset of vision loss in the left eye, which began 1 hour ago. He can barely see his own hands in front of his eye. He has no eye pain. Following a physical exam, eye exam, and lab
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 67-year-old man is evaluated in the emergency department with a 3-day history of weakness and nausea and a 2-week history of difficulty swallowing. He has lost 22.7 kg (50 lb) during the past year. He has no other symptoms. History is significant
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
A 48-year-old woman is evaluated for a 2-month history of increased dyspnea, wheezing, and nonproductive cough. She also reports intermittent pain and swelling in the wrists and knees for the past 6 months. She was diagnosed with scleritis of the
A. Confirm infection with a nucleic acid amplification test. B. Perform repeat Pap smear following treatment. ... C. Test for cure following treatment. D. Treat the patient's sexual partner.
A 27-year-old man is evaluated for the acute onset of fever, chills, body aches, and dry cough that began last evening after returning home from trimming timber at a saw mill. He has similar symptoms that have been occurring two to three times a