An active intravenous drug abuser presents to the emergency depament with fever of 5 days duration, a cough which is occasionally productive of blood, and pleuritic chest pain. Petechiae are present in his mouth and conjunctiva, and small linear hemorrhages are visible under his fingernails. Which of the following test results would MOST likely confirm the identity of the causative agent?
An active intravenous drug abuser presents to the emergency depament with fever of 5 days duration, a cough which is occasionally productive of blood, and pleuritic chest pain. Petechiae are present in his mouth and conjunctiva, and small linear hemorrhages are visible under his fingernails. Which of the following test results would MOST likely confirm the identity of the causative agent?
💡 Explanation
An active intravenous drug abuser presents to the emergency depament with fever of 5 days duration, a cough which is occasionally productive of blood, and pleuritic chest pain. Petechiae are present in his mouth and conjunctiva, and small linear hemorrhages are visible under his fingernails. Which of the following test results would MOST likely confirm the identity of the causative agent?
✓ Correct Answer: D. Blood culture of a coagulase-positive, catalase positive, gram-positive coccus
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