14 results
Fungal biomarkers
Beta-d-glucan
Aspergillus galactomannan

By Dr. Sara Dong @swinndong via Febrile [febrilepodcast.com]

#ID  #Infectious Diseases  #Infections
#Differential #Ddx
febrilepodcast.com] #ID #Infectious ... Diseases #Infections ... #Differential #Ddx ... #Fungi #BDG #BDGlucan ... Aspergillus #Candida #Microbiology
Beta-D-Glucan and Galactomannan - Venn Diagram of Fungal Infections

#BetaDGlucan #Galactomannan #Venn #Diagram #diagnosis #microbiology #infectiousdiseases #fungal
Beta-D-Glucan and ... Venn Diagram of Fungal ... Infections #BetaDGlucan ... Diagram #diagnosis #microbiology ... #infections #laboratory
Fungal Biomarkers: Comparing Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 •
Fungal Biomarkers ... Comparing Beta-D-Glucan ... #Biomarkers #BetaDGlucan ... Galactomannan #diagnosis #comparison ... #microbiology
1,3 Beta-D-Glucan and Galactomannan - Venn Diagram of Fungal Infections

#BetaDGlucan #Galactomannan #Venn #Diagram #diagnosis #microbiology #infectiousdiseases
1,3 Beta-D-Glucan ... Venn Diagram of Fungal ... Infections #BetaDGlucan ... Diagram #diagnosis #microbiology ... #infections #laboratory
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Grouped by gram negative ... febrilepodcast] #ID #Infectious ... Diseases #Infections ... #Microbiology # ... #Differential #Ddx
(1,3)-β-d-glucan
Abundant cell wall polysaccharide, found in most fungi, except cryptococci, zygomycetes (mucor, rhizophus) and blastomyces.
Sensitivity 64%-93%;
found in most fungi ... 87%-100% False Negatives ... blood • Certain fungus ... #fungal #diagnosis ... #laboratory #microbiology
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Coccidioides - Negative ... infection (IFI) ... surfaces - Infections ... #Biomarkers #BetaDGlucan ... Galactomannan #diagnosis #comparison
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
Important Fungal ... and chitin in fungal ... • India ink - "Negative ... #microbiology #microscopy ... #fungus #comparison
Liver infections and imaging findings
 - Pyogenic Liver Abscess
 - Amebic Abscess
 - Cholangitic Microabscesses
- Disseminated Fungal ... Infection DDx of ... , disseminated fungal ... #Differential #Ddx ... #Diagnosis #Microbiology
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
1,3-Beta-D-Glucan ... Almost always negative ... surfaces, Albumin, Infections ... Spec 81% for dx ... blood products #BetaDGlucan