7 results
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
Pathogens, and Testing ... ß-D-glucan: • Most fungi ... Galactomannan #Pathogens #Testing ... Characteristics #Sensitivity ... #Fungi #Fungal
Invasive Candidiasis (IC)

Diagnosis:
Culture:
 • Gold standard, but Slow (~2-3 days), 50% sensitivity
 • Blood Sample
 •
2-3 days), 50% sensitivity ... Conduct antifungal susceptibility ... testing (AFST)
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Fungal Biomarkers ... dermatidis • Sensitivity ... : Mucorales • Sensitivity ... disease - Sensitivity ... Frozen ice-pops (in setting
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... Sensitivity Specificity ... component of many fungi ... closely related fungi ... #Testing #FalsePositives
Antibiotic Susceptibility Testing Methods
1) Kirby Bauer Disk Diffusion: disks impregnanted w/ Abx → circular gradient →
Antibiotic Susceptibility ... Testing Methods ... #Antibiotic #Sensitivity ... #Susceptibility ... #Testing #laboratory
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
Diagnosis and Testing ... Galactomannan sensitivity ... associated with low sensitivity ... Management #treatment #fungal
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
antigen assay has a sensitivity ... Diagnosis: • Direct fungal ... Urinary antigen testing ... arthroconidia; the fungus ... InfectiousDiseases #Fungal