13 results
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Mycobacterium, Aspergillosis ... Nocardia) - Endemic Fungi ... Others: - Pulmonary ... abnormalities (Pulmonary ... #differential
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... Ebola, Dengue), Fungal ... (Aspergillosis, ... #Hemoptysis #Differential ... #Diagnosis #pulmonary
Allergic Bronchopulmonary Aspergillosis (ABPA)
WHAT IS IT?
Hypersensitivity response to Aspergillus fumigatus in the airways
 • Primarily affects
Bronchopulmonary Aspergillosis ... corticosteroids +/- anti-fungal ... Bronchopulmonary #Aspergillosis ... #ABPA #pulmonary ... #diagnosis #management
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Bacterial, TB, NTM, Fungal ... Bronchopulmonary Aspergillosis ... Bronchiectasis #pulmonary ... #diagnosis #differential
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Bronchopulmonary Aspergillosis ... Infectious (Variable) - Fungal ... Lung #Diseases #pulmonary ... #differential #
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
Related Infections - Differential ... include: bacteria, fungi ... aspergillosis ( ... or sinus fungus ... Soil #Infections #differential
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
Diagnosis and Management ... presentations: • Pulmonary ... aspergillosis, ... IA #Diagnosis #Management ... #treatment #fungal
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Prevotella • Fungal ... : - Aspergillosis ... Lung Abscess Differential ... Lung #Abscess #pulmonary ... #differential #
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Recent infection • Pulmonary ... infection (NTM) • Fungal ... • HIV: 2/3 pulmonary ... aspergillosis, ... TB #Diagnosis #Management
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... kansasii, Invasive aspergillosis ... Pseudomonas FUNGAL ... Infections #HIV #AIDS #pulmonary ... #differential #