Barriers to providing respiration Instructions for DA-CPR by Suzhou EMS from 2014 to 2015
| Barriers | Ventilation instructions not given (n=5) | Ventilation not performed (n=7) |
| Disconnection of the call, n (%) | 3 (60) | 2 (28.6) |
| Afraid to perform CPR, n (%) | 2 (40) | 1 (14.3) |
| Could not open the mouth, n (%) | – | 3 (42.8) |
| Caller not with patient, n (%) | – | 1 (14.3) |
CPR, cardiopulmonary resuscitation; DA-CPR, dispatcher-assisted cardiopulmonary resuscitation; EMS, emergency medical service.