system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 25-year-old woman presents to a medical clinic with complaints of right-sided chest pain, which is exacerbated during inspiration. She also reports intermittent fevers for the past 3 months associated with pain in both knee joints. She gives a history of an unintended 3 kg (6 lbs) weight loss in the past 2 months. The blood pressure is 110/84 mm Hg and the pulse is 86/min. On physical examination, a red rash is noted on her face overlying the nose and cheeks. The laboratory findings show that the hemoglobin is 9 g/dL and the total white cell count is 1500/mm3. Which of the following tests would be most specific to help diagnose this patient’s condition?
assistant
Antibody to double-stranded deoxyribonucleic acid