4 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... Fungal (Histoplasma ... /Aspergillus) / ... patient a surgical candidate ... BloodCultures #Diagnosis #Management
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 ... #negative #Endocarditis ... InfectiousDiseases #Microbiology
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
Important Fungal ... preparation from culture ... exceptions are Aspergillus ... #microbiology #microscopy ... #table
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS ... ) Microbiology ... : Blood cultures ... Tropheryma Whipplei • Aspergillus ... #diagnosis #management