19 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
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Medication-induced ILD: Amiodarone ... • Idiopathic pulmonary ... (DIP), Acute interstitial ... : Acute, Chronic ... Diseases #ILD #diagnosis
Causes of Acute Pediatric Cough - Differential Diagnosis Algorithm
No Fever, No Tachypnea
 - Normal Chest Auscultation
Causes of Acute ... - Differential Diagnosis ... Algorithm No Fever ... Fever, Tachypnea ... #Peds #Pediatrics
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
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
- Differential Diagnosis ... Algorithm Idiopathic ... Radiaition • Drugs: Amiodarone ... , Beomycin • Acute ... or Chronic Radiation
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases • Acute ... Eosinophilic Pneumonia ... Fungal, parasites; Travel ... Lung #Diseases #pulmonary ... #differential #diagnosis
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
excluded more common diagnoses ... Acute Eosinophilic ... tobacco hx - Fever ... mechanical ventilation Chronic ... #diagnosis #pulmonary
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
pleural effusions • Acute ... toxicity (e.g., acute ... • Chronic toxicity ... (e.g., chronic ... Fever 4.
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