Background: Although morphine has been shown to induce bowel dysfunction in a dose-dependent fashion, in most relevant studies it was investigated in single bolus injection.

背景：吗啡会引起肠蠕动失调，而且是以剂量效应的方式来表现，只是之前这类的研究是以单次剂量的给予来探讨。

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Twenty minutes after a single bolus dose, it may be unnecessary to antagonize the block when the train-of-four has returned to normal and fade is not present to a tetanic stimulus.

单次用药20分钟后，当四个成串刺激恢复正常和强直刺激消退后，没有必要再进行拮抗。

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