10 results
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Fungal Biomarkers ... Polysaccharide cell wall component ... specificity for invasive ... colonization vs invasive ... decreased with: concurrent
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
Invasive Aspergillus ... are caused by members ... presentations: • Pulmonary ... Management #treatment #fungal ... #infectiousdiseases
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
• Cell wall component ... of many fungi ... colonization vs invasive ... Sensitivity ↓ w/concurrent ... closely related fungi
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... ) • Fungi: Aspergillus ... Lung #Infections #Concurrent ... Differential #Diagnosis #causes ... #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... ) • Fungi: Aspergillus ... Lung #Infections #Concurrent ... Differential #Diagnosis #causes ... #infectiousdiseases
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
cause primary pulmonary ... disease • Aspergillus ... Species - Invasive ... or sinus fungus ... differential #diagnosis #InfectiousDiseases
Empyema Necessitans (EN) on Chest Wall Physical Examination

Pulmonary teaching case: you are called to the bedside
Examination Pulmonary ... seen with certain invasive ... most common) - Fungus ... , Blastomyces, Aspergillus ... clinical #video #pulmonary
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Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
ASPERGILLOSIS • Aspergillus ... Ampho resistant) Invasive ... of 30% to 40% Invasive ... ) #Mycoses #InfectiousDiseases ... #Fungal #Diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Pseudomonas FUNGAL ... since cART) Aspergillus ... factor • May cause ... Infections #HIV #AIDS #pulmonary ... differential #diagnosis #infectiousdiseases
Invasive Fungal Infection (IFI)

Invasive fungal infections are severe infections in which fungal pathogens invade normally sterile
Invasive Fungal ... Infection (IFI) Invasive ... (most frequent cause ... bloodstream infections) Aspergillus ... species (primarily pulmonary