14 results
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Acute Eosinophilic ... initiation of smoking; Fever ... Eosinophilic Pneumonia ... brown sputum, fever ... Travel hx, food hx; Fever
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
Eosinophilic Pneumonia ... common diagnoses Acute ... Eosinophilic Pneumonia ... tobacco hx - Fever ... mechanical ventilation Chronic
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
, acute HIV infection ... Cough, dyspnea - Pneumonia ... melioidosis, typhoid, pulmonary ... - Tropical pulmonary ... , Lassa fever, acute
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
loss, lethargy, fever ... • Fever, weight ... Cytopenias VIRAL ... Abdominal pain, chronic ... Infections #HIV #AIDS #pulmonary
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
and Hemoptysis Acute ... Mycoplasma and Viral ... Pneumonias - ... Bacterial Pneumonias ... Differential #Causes #Table
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... yersinia/rats, Q fever ... - Eosinophilic ... PNA (acute or chronic ... #NonResolving #Pneumonia
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... cough, dyspnea, fever ... , Chronic eosinophilia ... pneumonia, Pulmonary ... #COP #BOOP #pulmonary
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
histiocytosis (PLCH) • Eosinophilic ... leaking out of pulmonary ... , Beomycin • Acute ... or Chronic Radiation ... Amy Chung, MD, MSc
Based on the images alone, it is usually not possible to determine the cause of the
considered, like acute ... or chronic illness ... Lobar pneumonia ... with cough and fever ... nodular interstitial lung
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Legionnaires disease • Pulmonary ... elevated serum LDH level ... ratio < 1.5) from viral ... myocarditis, rheumatic fever ... Polyarteritis nodosa • Eosinophilic