15 results
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
yersinia/rats, Q fever ... ) - Returning travelers ... Eosinophilic PNA (acute ... or chronic) ... #diagnosis #pulmonary
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Frequent Differential Diagnoses ... , acute HIV infection ... Cough, dyspnea - Pneumonia ... , Lassa fever, acute ... #differential #diagnosis
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases • Acute ... Pneumonia (> 1 ... Fungal, parasites; Travel ... Lung #Diseases #pulmonary ... #differential #diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... - Differential Diagnosis ... Stable Angina • Acute ... Alveoli • Pneumonia ... #Dyspnea #SOB #
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
Acute Eosinophilic ... tobacco hx - Fever ... mechanical ventilation Chronic ... - Progressive SOB ... #diagnosis #pulmonary
Causes of Acute Dyspnea - Differential Diagnosis Algorithm
Cardiovascular
 • Myocardial Infarction*
 • Cardiac Tamponade*
 • CHF
Pleural
Causes of Acute ... - Differential Diagnosis ... Parenchymal • Pneumonia ... Vascular • Pulmonary ... #Dyspnea #SOB #
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential Diagnosis ... and Workup Algorithm ... Acute / Subacute ... abscess, Necrotizing Pneumonia ... #pulmonary #differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... • Leptospirosis ... • Malaria • Leptospirosis ... lung abscess • Sub-acute ... #Differential #Diagnosis
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic ... - Differential Diagnosis ... Pulmonary/Chest ... Pleural effusion, Pneumonia ... poisoning, DKA, Fever
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
differentiate between acute ... the differential diagnosis ... granulomatous noduli are so ... #Pulmonary #CXR ... Consolidation #Acute