Fig. 2From: Effects of audio and visual distraction on patients’ vital signs and tolerance during esophagogastroduodenoscopy: a randomized controlled trialChanges in pulse rate from pre-distraction to post-EGD in the 4 groups. EGD, esophagogastroduodenoscopy; *p < 0.05; **p < 0.005; ***p < 0.001Back to article page