Seronegative and septic arthritis Quiz: Ace Your Exams
Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!
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A 35-year-old woman comes to the emergency department for evaluation of left knee pain and swelling. The patient became concerned when she developed a fever and could not bear weight on her left leg due to pain. Her past medical history includes gout, and her mother has rheumatoid arthritis. The patient was treated for recurrent sexually transmitted infections in her twenties. She denies tobacco or illicit drug use. Her temperature is 38.8 °C (102°F), pulse is 101/minute, respirations are 18/minute, and blood pressure is 110/80 mmHg. Physical examination shows an erythematous, swollen, tender right knee with restricted active and passive range of motion. A small abrasion is noted at the inferior aspect of the patella. Arthrocentesis of the left knee performed, and synovial fluid analysis shows a leukocyte count of 160,000/mm3 with 92% neutrophils. Which of the following is the most likely diagnosis?
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