5 results
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
fastidious bacteria or fungi ... antimicrobials, clinical ... Tropheryma whipplei, Fungi ... Endocarditis #diagnosis #differential ... #workup #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... ) • Fungi: Aspergillus ... #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 ... #Infections #Concurrent ... #Differential # ... Diagnosis #causes #infectiousdiseases
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
infection (IFI) ... cut-offs defined in clinical ... surfaces - Infections ... BAL GM does not differentiate ... decreased with: concurrent
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
surfaces, Albumin, Infections ... >90% (In most clinical ... in BAL does not differentiate ... Sensitivity ↓ w/concurrent ... result in + as long