5 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
bacilli - Fungi ... (Candida, Aspergillus ... Histoplasma) - Culture ... bacilli - Fungi ... streptococci - Culture
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... negative infective ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... #negative #Endocarditis
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Blood Cultures ... negative IE - ... Fungal (Histoplasma/Aspergillus ... patient a surgical candidate ... Diagnosis #Management #Algorithm
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... remain negative ... fastidious bacteria or fungi ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
preparation from culture ... exceptions are Aspergillus ... • India ink - "Negative ... #microbiology #microscopy ... fungus #comparison #table