Prehospital emergency care : official journal of the National Association of EMS Physicians and the National Association of State EMS Directors
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Prehospital hypoxia and hypotension increase morbidity and mortality in head-injured patients. Etomidate is a sedative agent with increasing use for emergent rapid-sequence intubation (RSI) because of its favorable hemodynamic profile. This prospective, observational study documents the authors' preliminary experience with etomidate as part of an aeromedical RSI protocol. ⋯ An improvement in SBP after RSI with etomidate was observed (123 mm Hg to 136 mm Hg, p = 0.011) with a 9% incidence of hypotension, defined as a decrease in SBP to 90 mm Hg or less. Graphic analysis of individual SBP-time plots reveals hemodynamic stability, especially in patients with lower initial SBP values. These data suggest that the use of etomidate as part of a prehospital RSI protocol is associated with hemodynamic stability and a low incidence of hypotension.
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To develop guidelines allowing emergency medical services (EMS) dispatchers to safely match callers to an EMS response or, alternatively, to a nontraditional resource. ⋯ The authors were able to use a demographic variable (age) to predict a population of callers to a 911 dispatch center triaged to the lowest acuity category, who have a very low risk of having an EMS or ED important finding. The decision rule developed here is preliminary, requiring further validation.
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The ECC Guidelines 2000 considered interesting new evidence about a pre-defibrillation period of prescribed CPR to increase the probability that the postshock rhythm would be perfusing rather than asystole. If victims of out-of-hospital cardiac arrest have not received bystander CPR before the arrival of the defibrillator, a period of preshock CPR could enhance the value of the shocks. At the end of the year 2000 there was insufficient evidence to recommend any other approach than shock as soon as possible and perform CPR at all other times.
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This study sought expert consensus about which categories of patients from 248 Medical Priority (MPDS) ambulance dispatch codes might be appropriate for a nonemergency response or for whom dispatch of an ambulance might be appropriately denied if the patient were referred to a more suitable health care provider. ⋯ The recommended dispatch codes for non-emergency response or referral represent a significant proportion of emergency ambulance calls. Theoretically, the implementation of nonemergency responses could have the benefit of reducing accidents involving emergency ambulances and could lead to improved response times for critically ill patients by freeing up resources. It could also support the targeting of patients to appropriate health care providers on first contact with the health service. However, given the poor reliability of expert opinion, further research using clinical outcome data is required to validate the recommendations made in this article before changing existing ambulance response systems.