5 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Gram-negative bacilli - Fungi ... (Candida, Aspergillus ... Histoplasma) - Culture ... streptococci - Culture ... #Endocarditis #Bacteria
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
have a fastidious bacteria ... this be a non-bacterial ... Fungal (Histoplasma/Aspergillus ... patient a surgical candidate ... Diagnosis #Management #Algorithm
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... under BCNIE, these bacteria ... diagnosis #causes #culture
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... or fungi (grows ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... ) and 18S ( fungi
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
preparation from culture ... cell response to fungi ... exceptions are Aspergillus ... #microbiology #microscopy ... fungus #comparison #table