4772 results
Massive Hemoptysis - Differential Diagnosis Framework and Management
Definition: 150-600 mL over 24 hours
Differential Diagnosis:
 • Tracheobronchial:
Massive Hemoptysis - Differential ... Framework and Management ... over 24 hours Differential ... Lung Contusion, Pneumonitis ... Massive #Hemoptysis #Differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Diagnosis and Management ... Pneumonitis 3. ... Lung Abscess Differential ... Abscess #pulmonary #differential ... #causes #management
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
Aspiration pneumonitis ... Drug -induced pneumonitis ... Pneumonia #Mimics #Differential
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Hypersensitivity Pneumonitis ... Lymphocytic Interstitial Pneumonitis ... Desquamative Interstitial Pneumonitis ... Lung #Disease #differential
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Hypersensitivity pneumonitis ... • Radiation pneumonitis ... Idiopathic Interstitial Pneumonias ... ILD #diagnosis #differential
Pulmonary complications of targeted therapy
-Immune checkpoint inhibitors (e.g. pembrolizumab)
-Pneumonitis is uncommon (~5% of patients) but can
pembrolizumab) -Pneumonitis ... malignancy-associated pnuemonitis ... well as radiation pneumonitis ... clinical diagnosis pneumonitis
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
ocular • PJP - Pneumonitis ... Extraocular symptoms: pneumonitis ... Leishmaniasis Differential ... Inflammatory #Syndrome #Differential ... #Diagnosis #Management
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... Hypersensitivity pneumonitis ... diagnosis #pulmonary #differential
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Hypersensitivity Pneumonitis ... Lung #Nodules #Differential
Exposure Related ILD

 • Hypersensitivity pneumonitis
 • Pneumoconioses 
 • Radiation pneumonitis
 • Medication-induced ILD

Andrew Sanchez
Hypersensitivity pneumonitis ... • Radiation pneumonitis