12 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
: • 80% have fever ... Blood cultures • CXR ... early disease) • CXR ... Prevotella • Fungal ... Abscess Differential
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
initiation of smoking; Fever ... brown sputum, fever ... Infectious (Variable) - Fungal ... Travel hx, food hx; Fever ... #diagnosis #comparison
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Pseudomonas FUNGAL ... • Fever, weight ... AIDS #pulmonary #differential ... #diagnosis #infectiousdiseases
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Pericardial Effusion - Differential ... Coxiella burnetii • Fungal ... Mediterranean Fever ... - Metastatic: Lung ... Diagnosis #Causes #cardiology
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Antibiotic Failure - Differential ... bacteria: Viral, Fungal ... (daptomycin in lungs ... • Secondary to Treatment ... SJS, DIHS, drug fever
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
respiratory symptoms • Fever ... infection • Cough, fever ... change in the lungs ... • Isolated fever ... ) #Mycoses #InfectiousDiseases
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Fungal Biomarkers ... BAL GM does not differentiate ... Clav (may be + as long ... post-2010 almost never ... Galactomannan #diagnosis #comparison
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection (NTM) • Fungal ... Active TB: • Fever ... and Culture • CXR ... Tuberculosis Treatment ... disease • Check CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection (NTM) • Fungal ... Active TB: • Fever ... and Culture • CXR ... Tuberculosis Treatment ... disease • Check CXR
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
Neutropenic fever ... : - Fever + ANC ... > 4 days → add fungal ... or HSCT - CRS: fever ... therapy - Symptoms: fever