Joe Lewis on Instagram: "Understanding the oxyhemoglobin dissociation curve helps you better interpret oxygenation when you are looking at a pulse ox. This short is a quick reminder of how saturation and PaO2 relate. We break it down further and walk through a practice question in the full video. 🎬 Full video: Respiratory Therapy ABG vs VBG How to Tell the Difference! #aarc #RespiratoryTherapy #RTStudent #Oxygenation #ABGs #StudyTips"