12 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Limitation • Interstitial ... lung disease ... Abnormalities • Chest ... Diagnosis #Algorithm #Causes
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... asthma • Pleural disease ... atelectasis • Lung ... fibrosis RR ... #Diagnosis #Management
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... Disease, Interstitial ... Fibrosis, Interstitial ... Lung Disease ... #Hypoxia #hypoxemia
Progressive Massive Fibrosis on Chest X-Ray
In a construction worker presenting with shortness of breath.
Progressive Massive Fibrosis
is a chronic interstitial ... lung disease with ... pneumoconiosis which is caused ... by disease progression ... benign, upper lobe
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
due to lung disease ... and/or hypoxia ... disease Interstitial ... lung disease Other ... #Differential #Causes
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... indicates unknown cause ... combinations of fibrosis ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... Radiation C - Cystic Fibrosis ... apices caused by ... a rigid chest cage ... Pulmonary Diseases
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
lung disease caused ... With disease progression ... radiology #CXR #Chest ... #XRay #labeled ... #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... : • Cystic fibrosis ... , in advanced disease ... in the adjacent lung ... of the affected lung
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
friction rub audible Lungs ... inflammation tends to cause ... interstitial lung ... disease/pulmonary ... fibrosis (mechanism