17 results
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
psittaci/avian, leptospirosis ... yersinia/rats, Q fever ... ) - Returning travelers ... Eosinophilic PNA (acute ... or chronic)
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Travelers from ... , acute HIV infection ... Cough, dyspnea - Pneumonia ... melioidosis, typhoid, pulmonary ... , Lassa fever, acute
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... • Acute bacterial ... infections • Acute ... • Leptospirosis ... • Malaria • Leptospirosis
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Diseases - Pneumonia ... - Nodular - Acute ... Glass Opacity - Chronic ... Embolism - Acute ... Diseases #Radiology #Patterns
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Acute / Subacute ... : • Acute Infections ... abscess, Necrotizing Pneumonia ... 12 weeks): • Chronic ... #lesion #pulmonary
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases • Acute ... Eosinophilic Pneumonia ... cough, SOB • Chronic ... Fungal, parasites; Travel ... Lung #Diseases #pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... Edema, Hemorrhage, Pneumonia ... • Chronic Ground ... Hypersensitivity Pneumonia ... , COP, Chronic Eos
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic ... Differential Diagnosis Pulmonary ... Pleural effusion, Pneumonia ... Pleural effusion, Pulmonary ... poisoning, DKA, Fever
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
common diagnoses Acute ... tobacco hx - Fever ... mechanical ventilation Chronic ... Consolidations AKA "inverse pulmonary ... #diagnosis #pulmonary
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
cough, dyspnea, fever ... consolidation and GG pattern ... , Chronic eosinophilia ... pneumonia, Pulmonary ... #COP #BOOP #pulmonary