46 results
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
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
(COP) Cryptogenic ... cough, dyspnea, fever ... , Chronic eosinophilia ... pneumonia, Pulmonary ... #COP #BOOP #pulmonary
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Workup Algorithm Acute ... Subacute: • Acute ... abscess, Necrotizing Pneumonia ... Fungal, Parasitic, Viral ... Algorithm #lesion #pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... (COP), Respiratory ... (DIP), Acute interstitial ... : Acute, Chronic ... #differential #pulmonary
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
and Hemoptysis Acute ... Mycoplasma and Viral ... Pneumonias - ... Bacterial Pneumonias ... Cancer of the Lung
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
104°F) • Lobar pneumonia ... gram-negative pneumonia ... • Acute bacterial ... infections • Acute ... or lung abscess
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Diseases • Acute ... initiation of smoking; Fever ... brown sputum, fever ... Travel hx, food hx; Fever ... #Diseases #pulmonary
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
, acute HIV infection ... Cough, dyspnea - Pneumonia ... melioidosis, typhoid, pulmonary ... eosinophilia - Tropical pulmonary ... , Lassa fever, acute
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic ... : Trauma, COPD exacerbation ... Pleural effusion, Pneumonia ... : Asthma, COPD, ... 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 ... (CEP) - F>M (2 ... #diagnosis #pulmonary