Your patient has been on antibiotics for 6 weeks after a cas…
Your patient has been on antibiotics for 6 weeks after a case of streptococcal endocarditis, an infection of the inner heart wall. The infection clears up. However, the patient just visited you again. this time about a urinary tract infection, and the lab reports that the culprit this time was E. coli, a different bacterial species from the original infection. What do you hypothesize happened in this situation?
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