13 results
Fever - Pyrogen Pathophysiology

EXOGENOUS PYROGEN
 • Bacteria: Lipopolysaccharide components, peptidoglycans and muramyl peptide derivatives, Toxins
 •
Pathophysiology ... Lipopolysaccharide components ... stranded RNA • Fungi ... Mannan and glucan components ... #Fever #Pathophysiology
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
hypothalamus → fever ... PATHOPHYSIOLOGY: ... Double-stranded RNA • Fungi ... Mannan and glucan components ... #InfectiousDiseases
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 ... decreased with: concurrent ... Clav (may be + as long ... post-2010 almost never
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... ) • Fungi: Aspergillus ... #Infections #Concurrent ... Diagnosis #causes #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... ) • Fungi: Aspergillus ... #Infections #Concurrent ... Diagnosis #causes #infectiousdiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Pseudomonas FUNGAL ... cough, myalgia • Lung ... Microsporidium #Lung ... differential #diagnosis #infectiousdiseases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Abscess Pathophysiology ... : • 80% have fever ... Intervention: - Fevers ... Prevotella • Fungal
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 ... Sensitivity ↓ w/concurrent ... result in + as long ... post-2010 almost never
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
respiratory symptoms • Fever ... Aspergillosis Pathophysiology ... change in the lungs ... nails, bronchi, lungs ... ) #Mycoses #InfectiousDiseases
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... affecting the lungs ... infection (NTM) • Fungal ... • Progressive lung ... Active TB: • Fever