What is the normal oxygen saturation range for the Right Ventricle (RV)?

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Multiple Choice

What is the normal oxygen saturation range for the Right Ventricle (RV)?

Explanation:
In the right ventricle you’re looking at venous blood before it gets oxygenated in the lungs, so the oxygen saturation reflects mixed venous blood. In healthy individuals this mixed venous O2 saturation sits in the low to mid‑70s, typically around 72–75%. That range represents normal tissue oxygen extraction plus the venous return entering the RV. Values significantly lower would suggest higher extraction or reduced cardiac output, while values higher than about 80% would raise concern for shunts or high‑output states. So the best match for a normal RV O2 saturation is roughly 72–75%.

In the right ventricle you’re looking at venous blood before it gets oxygenated in the lungs, so the oxygen saturation reflects mixed venous blood. In healthy individuals this mixed venous O2 saturation sits in the low to mid‑70s, typically around 72–75%. That range represents normal tissue oxygen extraction plus the venous return entering the RV. Values significantly lower would suggest higher extraction or reduced cardiac output, while values higher than about 80% would raise concern for shunts or high‑output states. So the best match for a normal RV O2 saturation is roughly 72–75%.

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