But by this point she had a half-dozen blood cultures, plus the ones that were done when she arrived at Penn Presbyterian, and none of them showed the presence of bacteria. Ammazzalorso knew that some of the bugs that cause endocarditis don’t show up in blood cultures. When Ammazzalorso finally left the patient’s room, she sat at the computer and considered what tests should be ordered. Certainly, more blood cultures. Blood cultures look for organisms in the circulation.

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Persons: Alyssa Ammazzalorso, Ammazzalorso, Bartonella, Judith O’Donnell, ” Organizations: University of Pennsylvania, Penn Presbyterian