74 results
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
brown sputum, fever ... Infectious (Variable) - Fungal ... Lung #Diseases #pulmonary ... #differential # ... diagnosis #comparison
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
response to a fungal ... mentagrophytes) Clinical ... Hair loss • Fever ... Lymphadenopathy Treatment
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
at the tissue level ... hypoxia #hypoxemia #differential ... #diagnosis #comparison ... #pulmonary
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
most common) Clinical ... to rnonths • Fever ... , hemoptysis Treatment ... Abscess #Diagnosis #Pulmonary ... #Clinical #CXR
Differential Diagnosis - Noninfectious Causes of Fever

CRITICAL DIAGNOSES:
 - Acute myocardial infarction
 - Pulmonary embolism or
Differential Diagnosis ... CRITICAL DIAGNOSES ... infarction - Pulmonary ... Transfusion reaction - Pulmonary ... Noninfectious #Causes #Differential
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Nocardia) - Endemic Fungi ... yersinia/rats, Q fever ... Others: - Pulmonary ... abnormalities (Pulmonary ... #differential
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... Insufficiency, Liver ... • Obstructive: Pulmonary ... Dehydration Shock Treatment ... criticalcare #algorithm #treatment
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... decubitus - air fluid level ... Prevotella • Fungal ... Lung #Abscess #pulmonary ... #differential #
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
Related Infections - Differential ... include: bacteria, fungi ... dyspnea, possible fever ... or sinus fungus ... Soil #Infections #differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Fungal Biomarkers ... cut-offs defined in clinical ... BAL GM does not differentiate ... post-2010 almost never ... Galactomannan #diagnosis #comparison