CPR Guidance by an Emergency Physician via Video Call: A Simulation Study
Table 2
Cardiopulmonary resuscitation performance.
Conventional group (48 teams)
Video call guidance group (48 teams)
p-value
Accurate D/C shock
1.00
Yes
48 (100%)
48 (100%)
No
0 (0%)
0 (0%)
Time to 1st defibrillation (seconds)
73 (59.75~90)
56 (44~74.25)
<0.001
Time from last compression to defibrillation (seconds)
8 (3~19)
3 (2~7)
<0.001
Time from defibrillation to chest compression (seconds)
3 (2~4)
2 (1~3)
<0.001
Total CPR time (seconds)
704.5 (674~740)
686.5 (663~706.2)
0.004
Total hands-off time (seconds)
285.5 (299.75~339.0)
228 (192.75~270.25)
<0.001
Hands-off ratio (total hands-off time/total CPR time (seconds)
0.41 (0.33~0.47)
0.32 (0.27~0.38)
<0.001
The values (except accurate D/C shock) are presented as the median (interquartile range). BLS: basic life support, D/C: direct current, CPR: cardiopulmonary resuscitation.