31 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Diseases (ILD) ... disease (RB-ILD ... interstitial pneumonia (AIP ... #Diseases #ILD ... #diagnosis #differential
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
attenuation or air-filled ... Honeycombing Most diseases ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
interstitial lung ... AIP: acute interstitial ... ConnectiveTissueDiseases #ILD ... CTILD #Diagnosis #Differential ... #Comparison #Table
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... Crackles / ↓ Air ... asthma • Pleural disease ... atelectasis • Lung ... Hypoxemia #Hypoxia #differential
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
with airspace disease ... replacing the air ... UIP, NSIP and long ... Radiology #Pulmonary #CTChest ... Consolidation #Differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... lat decubitus - air ... Management: • ... Abscess Differential ... Abscess #pulmonary #differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... bronchiolitis: ill ... Radiology #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Auto-immune attack on hair ... pain, Sclera may perforate ... friction rub audible Lungs ... cause interstitial lung ... disease/pulmonary
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... Diseases • Acute ... #Eosinophilic #Lung ... #differential # ... diagnosis #comparison
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Embolism, Obstructive Lung ... Disease and more ... , Interstitial Lung ... Hypoxia #hypoxemia #differential