43 results
Chronic Obstructive Pulmonary Disease (COPD)
 • COPD Definition
 • Role of PFTs
 • COPD Classification and
Obstructive Pulmonary Disease ... (COPD) • COPD ... Group Assessment (ABCD ... Obstructive #Pulmonary #Disease ... #COPD #diagnosis
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung Diseases ... Connective Tissue Disease ... connective tissue disease ... pneumonia (NSIP), Cryptogenic ... organizing pneumonia (COP
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
Patients with OP ... collagen vascular diseases ... Radiology #CTChest #COP ... #Cryptogenic #Organizing
GOLD2017 - The refined ABCD assessment tool. FEV1: forced expiratory volume in 1 s; FVC: forced vital
- The refined ABCD ... Obstructive Lung Disease ... Council; CAT: COPD ... Diagnosis #Pulmonary #COPD
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
the most common diseases ... Chronic diseases ... These diseases typically ... idiopathic it is called cryptogenic ... (COP).
Cryptogenic Organizing Pneumonia - Illness Script

PATHOPHYSIOLOGY: Unknown trigger, reversible inflammatory/fibroproliferative process. Polypoid fibroblastic aggregates that plug
Cryptogenic Organizing ... No secondary OP ... steroids for severe disease ... TylerLarsenMD #COP ... #Cryptogenic #Organizing
Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Interpretation Algorithm ... Emphysematous COPD ... Non-emphysematous COPD ... Interpretation #Algorithm ... diagnosis #asthma #COPD
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Interpretation Algorithm ... Interstitial Lung Disease ... Non-Emphysematous COPD ... Emphysematous COPD ... Interpretation #Algorithm
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
adenocarcinoma in situ; COP ... , cryptogenic organising ... respiratory tract disease ... connective tissue diseases ... #Differential #Algorithm
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in OP ... exclusion of other diseases ... the diagnosis of cryptogenic ... Radiology #CTChest #COP ... #Cryptogenic #Organizing