Figure 2

Acupuncture points hand out. The figure illustrates the seven acupuncture points as being distributed to the patients. The listed symptoms indicate the key indications for the respective points. The chart is handed out to the patients in the acupuncture (ACU) and acupressure (APU) groups, the given indications are thought as reminder for the patients of the possible treatment effects to be expected when self-palpating the respective points. Du 26 has to be pressed by the attending anaesthetist during emergence.