title: A 68-year-old man with an acute painful swollen knee.
authors.affiliation: Emergency Department, Shands at AGH, Gainesville, FL, USA. LMolitorge@aol.com
authors.forename: L
authors.initials: L
authors.lastname: Molitor
mesh_terms: D000368:Aged; D006395:Hemarthrosis / Q000175:diagnosis*; D006801:Humans; D007719:Knee Joint; D008297:Male; D014218:Triage