47 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... fibrosis (IPF), ... Acute, Chronic • Pulmonary ... #diagnosis #differential ... #pulmonary #causes
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential
Causes of Pediatric Wheezing - Differential Diagnosis Algorithm
CXR Abnormal:
 • Pulmonary Sequestration
 • Congenital Adenoid Cystic
Pediatric Wheezing - Differential ... Abnormal: • Pulmonary ... Chloride: • Cystic Fibrosis ... Aspiration • GE ... Algorithm #Causes #Peds
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
gradient to normal age ... Embolism, Obstructive Lung ... Fibrosis, Interstitial ... Lung Disease ... Hypoxia #hypoxemia #differential
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Disease - Differential ... Interstitial Pneumonia - fibrosis ... leaking out of pulmonary ... #Diseases #ILD ... #Causes #Differential
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... these patterns are ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
segment or lobe of lung ... involving both lungs ... ) WHAT ARE COMMON ... Bronchiectasis #pulmonary ... #diagnosis #differential
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Radiation C - Cystic Fibrosis ... a rigid chest cage ... clearance: - Cystic Fibrosis ... #diseases #differential ... #STARCHASERS #radiology
Diagram of different types of bone tumors that can occur around the knee on XRay -
knee on XRay - Age ... < 30 years • Fibrous ... Diagnosis #Bony #Differential ... #Radiology #XRay ... #peds #pediatrics
B-Lines in Pulmonary Fibrosis
Lung comets are usually seen in wet lungs, but do not forget that
B-Lines in Pulmonary ... Fibrosis Lung ... comets are usually ... seen in wet lungs ... important differential