After nitrous exposure, how should you manage the patient’s oxygen supply?

Discontinuing the nitrous flow completely is the appropriate response after nitrous oxide exposure to effectively manage the patient’s oxygen supply. Once nitrous oxide administration has concluded, it is crucial to remove the patient from the nitrous environment to prevent any potential complications associated with its residual effects. By stopping the flow of nitrous oxide, the patient can start to clear the gas from their system more quickly, allowing for a safer transition to room air or supplemental oxygen.

In a clinical setting, following the cessation of nitrous oxide, supplemental oxygen can be administered to ensure adequate oxygenation as the patient may have experienced some hypoxia during the nitrous administration. This ensures that the patient is receiving sufficient oxygen, especially if they have been under sedation.

While other options may seem relevant, they do not prioritize the immediate goal of safely transitioning the patient away from nitrous oxide. Titrating down could prolong exposure and delay the resolution of sedation effects. Switching to a mix of nitrous and oxygen continues the exposure to nitrous without addressing the need for immediate oxygenation. Administering oxygen for 15 minutes, although beneficial, should occur after discontinuing the nitrous to effectively manage the patient's oxygen supply critically.