22 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... diseasePulmonary ... Defect ** • Atrial ... Hypoventilation Syndrome
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Secondary to chronic lung ... disease (COPD) ... • HypoxiaPulmonary ... MAT #Cardiology #Diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... , Interstitial Lung ... #pulmonary #Hypoxia ... #diagnosis
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... Management Summary ... absence of intrinsic lung ... on radioactive lung ... #diagnosis #management
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... diseases, pulmonary ... hepatopulmonary syndrome ... shunting (eg, atrial ... #Differential #Diagnosis
Sarcoidosis
Stage 1 - Bilateral LAD without involvement of lung parenchyma
Stage 2 - Bilateral LAD with involvement
4 - Fibrosis Pulmonary ... disease with infiltrates ... - Triad of hilar ... #Sarcoidosis #Diagnosis ... Signs #Symptoms #Summary
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... leading to increased pulmonary ... congestion with hypoxemia ... #ARDS #Summary ... #CheatSheet #Diagnosis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Bronchiectasis - Summary ... Chronic cough • Hypoxia ... • Mounier-Kuhn syndrome ... in the adjacent lung ... of the affected lung
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... and Management ... Summary Lung ... pneumonia • DM risk ... #Abscess #pulmonary
Ventilator Troubleshooting Summary
High PIP, nl Pplat:
 - DDx: Tubing problem, Bronchospasm, Secretions
 - Next Steps: Check
Troubleshooting Summary ... DDx: Obstructive lung ... disease, Insufficient ... Troubleshooting #diagnosis ... #management #pulmonary