37 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... perfusion Mismatch • Airway ... Pneumonia • Atelectasis ... Abnormalities • Chest ... #Hypoxia #Differential
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Mucous Plugging, Atelectasis ... pHTN, Shock • Airway ... #hypoxia #Differential ... #Diagnosis #causes
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Stridor - Upper airway ... Movement - Lower airway ... disease • Severe atelectasis ... #Hypoxia #differential ... #Diagnosis #Management
Chest XRay Atelectasis Pattern - Differential Algorithm #Diagnosis #Radiology #Pulmonary #CXR #Atelectasis #Pattern #Differential #Algorithm #RadiologyAssistant
Chest XRay Atelectasis ... Pattern - Differential ... Algorithm #Diagnosis ... #Radiology #Pulmonary ... #CXR #Atelectasis
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... , Flash Pulmonary ... Bronchospasm, Pulmonary ... STAT CXR, CTA Chest ... Therapeutics: Airway
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Physiologic Shunt: Atelectasis ... Edema, Atelectasis ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
CT • Patent airways ... non-obstructive atelectasis ... Bronchogram #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Airway Changes ( ... Patterns #Lung #Pulmonary ... #ChestCT #radiology ... #CTChest #diagnosis
Comet Tail Sign on Chest CT
 • Curvilinear pleural based opacity directed towards the ipsilateral hilum
CT • Curvilinear ... • DDx: Rounded atelectasis ... Comet #Tail #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... parenchyma Diagnosis ... CT) • Broncho-arterial ... #differential # ... diagnosis