26 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
My Patient with Infective ... Fungal (Histoplasma ... /Aspergillus) / ... patient a surgical candidate ... BloodCultures #Diagnosis #Management
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Responsible for Infective ... (Candida, Aspergillus ... Histoplasma) - Culture ... streptococci - Culture ... negative #Infective
Morphology and Descriptions of Fungal Infections with Hyphae or Pseudohyphae in Tissues
Yeasts with Pseudohyphae: 
 •
Consistent with Candida ... spp. however Aspergillus ... Consistent with Aspergillus ... genera; however Asperglllus ... septations #pathology #atlas
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 ... genera; however Asperglllus ... morphology #pathology #atlas
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 ... diagnosis #causes #culture
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
Important Fungal ... and chitin in fungal ... preparation from culture ... exceptions are Aspergillus ... #microbiology #microscopy
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 ... swinndong #endemic #fungal ... pathology #clinical #atlas ... #fungi #microbiology
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
Common Fungal Pathology ... • Candida - Small ... Medicine @ucsdim #Fungal ... Pathology #clinical #microscopy ... #table #atlas #
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... fastidious bacteria or fungi ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... bacteria) and 18S ( fungi
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 ... infection (IFI) ... Sara Dong #Fungal