<prompt> 40 year old female, who has multiple sexual paners presented with fever, rash and aicular symptoms. Migratory ahritis and tenosynovitis of knees, hands, wrists, feet and ankles noticed during clinical examination. Synol fluid leukocyte count was 12,000ml and culture was sterile. The patient has been successfully treated with injection ceftriaxone 1 g Q24 hours for 7 days. What was the diagnosis in this setting?Ahritis due to Pseudomona aeruginosaDisseminated gonococcal infectionGonococcal septic ahritisSyphilitic ahritis  <response>: Gonococcal ahritis has accounted for up to 70 of episodes of infectious ahritis in persons True gonococcal septic ahritis is less common than the DGI syndrome and always follows disseminated gonococcal ahritis, which is unrecognized in one-third of patients. A single joint such as the hip, knee, ankle, or wrist is usually involved. Synol fluid, which contains 50,000 leukocytesL. Initial treatment consists of ceftriaxone 1 g IV or IM every 24 h. Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 2845 