See below: The blood culture together with a vegetation on the cardiac leaves are a gold standard for a diagnosis of endocarditis, but it might be false-negative. There are currently more sensitive blood tests exist for a bacterial infection, like pcr, but they are very expensive send out tests and not all heath insurance companies are covering them.
Answered 4/1/2020
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Talk to MD: Some growths in the heart can be non-infectious, such as a myxoma. Talk to your surgeon and get a full description and explanation.
Answered 4/24/2015
4.9k views
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