10 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Negative Blood Cultures ... Fungal (Histoplasma ... /Aspergillus) / ... patient a surgical candidate ... Endocarditis #Negative #BloodCultures
Morphology and Descriptions of Fungal Infections with Hyphae or Pseudohyphae in Tissues
Yeasts with Pseudohyphae: 
 •
Consistent with Candida ... spp. however Aspergillus ... Consistent with Aspergillus ... #microbiology #differential ... septations #pathology #atlas
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Gram-negative bacilli - Fungi ... (Candida, Aspergillus ... Histoplasma) - Culture ... streptococci - Culture ... Pathogens #Diagnosis #Differential
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
Cryptococcus, and Aspergillus ... spp. however Aspergillus ... Consistent with Aspergillus ... #microbiology #differential ... morphology #pathology #atlas
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 ... #fungus #comparison
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
Common Fungal Pathology ... • Candida - Small ... Pathology #clinical #microscopy ... #table #atlas # ... key #comparison
Morphology and Descriptions of Endemic Fungal Infections with Yeasts in Tissues
Broad-based budding yeasts:
 • Description: Broad-based
Descriptions of Endemic Fungal ... Cryptococcus, and Aspergillus ... pathology #clinical #atlas ... #fungi #microbiology ... #differential #
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 ... BCNIE #Causes #differential ... diagnosis #causes #culture
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 ... ID_fellows #BCNIE #BloodCulture ... Endocarditis #diagnosis #differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Fungal Biomarkers ... component of many fungi ... • Pathogens: Candida ... BAL GM does not differentiate ... Galactomannan #diagnosis #comparison