27 results
Causes of Nail Clubbing - Mnemonic 
Cyanotic Heart Disease, Cystic Fibrosis
Lung Cancer, Lung abscess 
Ulcerative Colitis
Cyanotic Heart Disease ... , Cystic Fibrosis ... Endocarditis, Idiopathic Pulmonary ... Gastrointestinal Disease ... Nails #Mnemonic #Differential
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Radiation C - Cystic Fibrosis ... • Lymphatics clear ... Pulmonary Diseases ... clearance: - Cystic Fibrosis ... #differential #
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 ... ILD #diagnosis #differential ... #pulmonary #causes
Causes of Pediatric Wheezing - Differential Diagnosis Algorithm
CXR Abnormal:
 • Pulmonary Sequestration
 • Congenital Adenoid Cystic
Pediatric Wheezing - Differential ... Abnormal: • Pulmonary ... Chloride: • Cystic Fibrosis ... Endobronchial Disease ... Peds #Pediatrics #Pulmonary
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
due to lung disease ... pulmonary disease ... , Gaucher disease ... tumoral obstruction, fibrosing ... Classification #Diagnosis #Differential
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
sinusitis - pulmonary ... IgG4-related disease ... Retroperitoneal fibrosis ... - Perirenal fibrosis ... Coronaries #Arteritis #Differential
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
- Differential ... Interstitial Pneumonia - fibrosis ... Lymphangioleiomyomatosis (LAM), • Pulmonary ... leaking out of pulmonary ... #ILD #Causes #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Obstructive Lung Disease ... , Interstitial Disease ... Fibrosis, Interstitial ... Lung Disease ... Hypoxia #hypoxemia #differential
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... interstitial lung disease ... (i.e. fibrosis) ... Diagnosis #Radiology #Pulmonary ... #GroundGlass #Differential
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
with airspace disease ... Even fibrosis as ... Diagnosis #Radiology #Pulmonary ... Consolidation #Differential