Can Mobile Videocall Assist Laypersons’ Use of Automated External Defibrillators? A Randomized Simulation Study and Qualitative Analysis

Table 3

Common errors observed in the video clips.

Common errors	Non-guided; ()	Voice call-guided; ()	Video call-guided; ()	Total; ()
“Layperson did not power on AED first.”	5	0	0	5 (5.6%)
“Layperson did not remove the pads cover.”	8	17	0	25 (27.8%)
“Layperson did not apply the pad on the right place.”	13	8	1	22 (24.4%)
“Layperson did not connect the pad cable.”	9	2	0	11 (12.2%)
“Layperson did not clear other people before; delivering a shock.”	30	30	25	85 (94.4%)
“Layperson did not perform chest compression; promptly after defibrillation.”	4	7	0	11 (12.2%)
“Layperson confused about the left and right; direction to dispatcher’s advice.”	0	5	4	9 (10.0%)
“Layperson did not hear the advice due to noise.”	0	1	0	1 (1.1%)

AED: automated external defibrillator.