15 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... is frequently not ... The cystic pattern ... honeycombing, it frequently ... Diagnosis #Radiology #Pulmonary
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... For comparison, ... FlowVolume #Loops #Patterns ... #Comparison #Normal ... #pulmonary
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... Diagnosis #Radiology #Pulmonary ... Differential #Diagram #Comparison
Patterns of disease in advanced COPD

Type A: 
Pink Puffer (Emphysema Predominant) 
Major complaint is dyspnea, often
Patterns of disease ... purulent sputum, with frequent ... Patients frequently ... #COPD #Patterns ... #BlueBloater #Pulmonary
Comparison of Pathologic Breathing Patterns
Biot's respiration aka ataxic respiration:
 - Periodic breathing: hyperpnea (or normopnea) and
Comparison of Pathologic ... Breathing Patterns ... ) #Breathing #Patterns ... #Respiratory #pulmonary ... #diagnosis #comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Diagnosis #Radiology #Pulmonary ... CTChest #Nodular #Pattern ... #Differential #Comparison
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
#Pneumonia #Patterns ... #Diagnosis #Comparison ... #Presentation #Pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
order of relative frequency ... have specific patterns ... realise, that these patterns ... Diagnosis #Radiology #Pulmonary
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Nodular #Pattern ... Perilymphatic #Comparison
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
family) of atopy is frequent ... #Asthma #COPD #comparison ... #Diagnosis #pulmonary