15 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Hypoventilation Syndrome ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... direction leads to hypoxemia ... hepatopulmonary syndrome ... , atrial or ventricular ... #hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... , Interstitial Lung ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Ventilator Troubleshooting Summary
High PIP, nl Pplat:
 - DDx: Tubing problem, Bronchospasm, Secretions
 - Next Steps: Check
Troubleshooting Summary ... DDx: Obstructive lung ... Bronchodilators/Steroids Hypoxemia ... Troubleshooting #diagnosis #management ... #pulmonary #mechanical
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory ... Distress Syndrome ... leading to increased pulmonary ... congestion with hypoxemia ... #ARDS #Summary
ExtraCorporeal Membrane Oxygenation (ECMO) Fundamentals
Definitions:
 • ExtraCorporeal Membrane Oxygenation (ECMO) provides prolonged pulmonary and/or circulatory support
returned to the Arterial ... VV: Refractory hypoxemia ... /mixed respiratorv ... overdose, massive PE ... Oxygenation #diagnosis #management
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome ... consistent with pulmonary ... lobar collapse, lung ... by the ratio of arterial ... severity of the hypoxemia
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... Summary A defect ... in arterial oxygenation ... upright position • Hypoxemia ... Quantifies degree of hypoxemia
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
blood cells in the lung ... evidence of left atrial ... • Symptoms: Hypoxemic ... of the spiral arteries ... dyspnea, tachypnea, hypoxemia
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Bronchiectasis - Summary ... Chronic cough • Hypoxia ... polycythemia from chronic hypoxia ... in the adjacent lung ... CT) • Broncho-arterial