6 results
Microorganisms Responsible for Infective Endocarditis

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

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
negative infective endocarditis ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... #differential #diagnosis ... #negative #Endocarditis
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... (Aspergillus, Candida ... BCNIE Diagnostic ... PCR for specific pathogens ... #diagnosis #differential
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
preparation from culture ... exceptions are Aspergillus ... #microbiology #microscopy ... #staining #diagnosis ... #comparison #table
Suspected catheter-related bloodstream infection - Management Algorithm
 • Temperature 37.8 C   • Rigors
infection - Management Algorithm ... Obtain blood cultures ... metastatic infection (endocarditis ... • Resistant pathogens ... #CRBSI #diagnosis