6 results
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 ... 96% • Higher specificity ... >90% (In most clinical ... in BAL does not differentiate
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
& Specificity: ... cut-offs defined in clinical ... & Specificity ... BAL GM does not differentiate ... Frozen ice-pops (in setting
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Pathophysiology ... Lung Abscess - Clinical ... Putrid sputum/sour-tasting ... Differential Diagnosis ... #pulmonary #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... should be based on clinical ... tuberculomas, or abscesses ... of serum CrAg testing ... comparable to CSF testing
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... diseases, describe clinical ... Sensitivity (rule ... Specificity (rule ... alters recall Late-look
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
antigen assay has a sensitivity ... and specificity ... Urinary antigen testing ... ASPERGILLOSIS • Aspergillus ... Sinusitis • Brain abscess