4 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... Right-to-Left Shunt ... Cardiac, Vascular, Alveolar ... #Hypoxia #Differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Algorithm Ventilation ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Disease and more • Diffusion ... Defect: Pulmonary ... #AA #Gradient #alveolar ... #hypoxemia #differential
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
or anatomic shunt ... upright position • Hypoxemia ... Arterial blood gas (ABC ... Quantifies degree of hypoxemia ... older) on room air