367 results
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
commonly available spirometers ... Diagnosis #Pulmonary #Spirometry ... Restrictive #Normal #Comparison
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
For comparison, ... Diagnosis #PFTs #Spirometry ... Loops #Patterns #Comparison
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Variably abnormal spirometry ... bronchodilator, Spirometry ... Persistently abnormal spirometry ... #Asthma #COPD #comparison
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
#Clinical #Diagnosis ... CTChest #Cystic #Comparison ... Histiocytosis #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
#Clinical #Radiology ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
#Clinical #Radiology ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
#Clinical #Radiology ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
consolidation #Clinical ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
#Clinical #Radiology ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant