8 results
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 ... #differential #diagnosis ... #BCNIE #cardiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
fastidious bacteria or fungi ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... BCNIE Diagnostic ... #Endocarditis #diagnosis
Morphology and Descriptions of Fungal Infections with Hyphae or Pseudohyphae in Tissues
Yeasts with Pseudohyphae: 
 •
Descriptions of Fungal Infections ... Consistent with Candida ... #differential #diagnosis ... septae #septations #pathology ... #atlas
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
Endemic Fungal Infections ... other hyaline fungi ... #differential #diagnosis ... #morphology #pathology ... #atlas
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
Cryptococcus, and Aspergillus ... morphology #yeasts #pathology ... #clinical #atlas ... #fungi #microbiology ... #differential #diagnosis
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
preparation from culture ... Pathology: • Hematoxylin ... exceptions are Aspergillus ... #microbiology #microscopy ... #staining #diagnosis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... devices (CIED) Non-Infectious ... Hypercoagulable (APLAS ... Tropheryma Whipplei • Aspergillus ... #management #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential Diagnosis ... Infectious: • Pre-existing ... Hypercoagulable (APLAS ... Tropheryma Whipplei • Aspergillus ... #cardiology #infectiousdiseases