My Pulmonary Rotation
Guide to Clinical Experience at Ephraim McDowell Lung Center

Gas Exhange

Introduction

While non-invasive assessment of gas exhange with pulse oximetry has become commonplace in clinical practice, it is important to understand the limitations of these tools and when more invasive testing is required.

In this section we will focus on blood gas testing for assessment not only of oxygenation, but also ventilation and acid-base status.

  • Arterial Blood Gas Testing
  • Venous Blood Gas Testing
  • Oxygen Prescription