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An Educational Case For Applying The Alveolar- Arterial Gradient In Hypoxemia: An Underutilized And Underappreciated Clinical Tool, Chioma Nwonu, Do, Michael Dong, Md, Daniel Kramer, Md
An Educational Case For Applying The Alveolar- Arterial Gradient In Hypoxemia: An Underutilized And Underappreciated Clinical Tool, Chioma Nwonu, Do, Michael Dong, Md, Daniel Kramer, Md
The Medicine Forum
The Alveolar-arterial gradient, commonly known as the A-a gradient, measures the difference in the oxygen concentration in the alveoli and the arteries across the capillary membrane in the lung. In an ideal system, the A-a gradient would be zero because there would be perfect equilibrium as oxygen diffuses and equalizes across the alveolar and arterial sides of the capillary membrane. However, there is a physiologic A-a gradient because of the differences in perfusion and ventilation in the apical and basilar regions of the lungs. Because this relationship exists, the changes in the A-a gradient have clinical utility in guiding the …
The Medicine Forum: Volume 24
The Medicine Forum
The Journal of Thomas Jefferson University Hospital - Department of Internal Medicine, Volume 24, 2022-2023
TABLE OF CONTENTS
- Case Reports
- Ultrasound Education