• P Calle, O Vanhaute, L Lagaert, H Houbrechts, and W Buylaert.
• Department of Emergency Medicine, University Hospital, Ghent, Belgium.
• Eur J Emerg Med. 1994 Sep 1;1(3):145-8.

AbstractWithout early access to the emergency medical services (EMS) system, the chances of surviving an out-of-hospital cardiopulmonary arrest (CPA) are poor. The aim of this study was to evaluate this first link in the chain of survival in Ghent. Therefore, we reviewed the data from the registry on all CPA cases treated by our mobile intensive care unit (MICU) and the tape recordings from the local EMS dispatch centre of 100 consecutive non-traumatic CPA cases that occurred after January 1, 1993. Alarm signs before the collapse were recorded in 39 cases. In only 54% (21 out of 39) a pre-arrest call to the EMS system was made. In only four cases (10%) was the MICU at the patient's side when the collapse occurred. The delay between collapse and call in the 79 cases in which no call to the EMS system was made before the collapse was estimated to be 3 min or less for only 49% (39 out of 79). To evaluate the processing of the call in the EMS dispatch centre, we examined all 100 cases with regard to whether or not the first tier (emergency medical technicians) and the second tier (MICU) were dispatched simultaneously upon the first call. We found that in 41 cases the MICU was not sent immediately. The most important reasons were minimal information available for the EMS system (n = 8), underestimation of the emergency of the call by the dispatcher (n = 10) and underestimation of the pre-alarm signs by a general practitioner (n = 7). This analysis shows that all aspects of the first link of the chain of survival need improvement.

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