MKSAP: 72-year-old man with acute swelling and severe pain of the right knee
Test your medicine knowledge with the MKSAP challenge, in partnership with the American College of Physicians.
A 72-year-old man is evaluated in the emergency department for acute swelling, severe pain, and warmth of the right knee that woke him from sleep. He does not recall any inciting injury to the knee. Three months ago, he had an acutely swollen great toe that improved within 3 days, for which he did not …