9 results
Fever - Pyrogen Pathophysiology

EXOGENOUS PYROGEN
 • Bacteria: Lipopolysaccharide components, peptidoglycans and muramyl peptide derivatives, Toxins
 •
Pathophysiology ... Lipopolysaccharide components ... stranded RNA • Fungi ... - Transport to brain ... #Fever #Pathophysiology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
- Differential Diagnosis ... Algorithm Neoplasm ... Infection: • Fungal ... malaria) • other parasites ... #Algorithm #causes
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
hypothalamus → fever ... PATHOPHYSIOLOGY: ... Double-stranded RNA • Fungi ... Transport to brain ... InfectiousDiseases #Diagnosis
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
- Differential Diagnosis ... Algorithm Viral ... Infectious - Other: • Fungal ... eg.malaria) • Other parasites ... #Algorithm #causes
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
- Differential Diagnosis ... Algorithm Hyperacute ... Neoplasm-related (brain ... Inflammatory, Infectious (fungal ... , TB, parasitic,
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
brown sputum, fever ... Infectious (Variable) - Fungal ... , parasites; Travel ... #differential #diagnosis ... #comparison #table
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 ... post-2010 almost never ... Galactomannan #diagnosis ... #comparison
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... : • 80% have fever ... Intervention: - Fevers ... Prevotella • Fungal ... Coccidioides • Parasite
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
respiratory symptoms • Fever ... infection • Cough, fever ... Aspergillosis Pathophysiology ... • Sinusitis • Brain ... • Isolated fever