8 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 ... #Infections #Differential ... #Ddx #Diagnosis ... #Fungal #Fungi ... Aspergillus #Candida #Microbiology
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 ... #Infections #Microbiology ... #Micro #Differential ... #Ddx #Diagnosis
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Abscess - Differential ... Diagnosis Framework ... Scedosporium, endemic fungi ... Dracunculiasis - Non-Infectious ... #Abscess #Differential
Liver infections and imaging findings
 - Pyogenic Liver Abscess
 - Amebic Abscess
 - Cholangitic Microabscesses
- Amebic Abscess ... Infection DDx of ... imaging #radiology #Differential ... #Ddx #Diagnosis ... #Microbiology
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 ... BCNIE Diagnostic ... bacteria) and 18S ( fungi ... #differential #
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
component of many fungi ... BAL GM does not differentiate ... closely related fungi ... setting of GVHD) ID ... Galactomannan #diagnosis
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
component of many fungi ... Almost always negative ... surfaces, Albumin, Infections ... in BAL does not differentiate ... closely related fungi
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... Hypercoagulable (APLAS) Microbiology ... aureus, Coagulase-negative ... Glomerulonephritis DDX ... #Endocarditis #Differential