Prehospital emergency care : official journal of the National Association of EMS Physicians and the National Association of State EMS Directors
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Case Reports
Guiding Cardiopulmonary Resuscitation with Focused Echocardiography: A Report of Five Cases.
Background: Focused transthoracic echocardiography has been used to determine etiologies of cardiac arrest and evaluate utility of continuing resuscitation after cardiac arrest. Few guidelines exist advising ultrasound timing within the advanced cardiac life support algorithm. Natural timing of echocardiography occurs during the pulse check, when views are unencumbered by stabilization equipment or vigorous movements. ⋯ Subsequent visualization of full left ventricular compression may be seen after a location change, and combined with end tidal carbon dioxide values, gives indication for improved forward circulatory flow. Although it is not possible in all patients, doing so hastens provision of quality compressions that affect hemodynamic parameters without causing prolongations to the pulse check pause. Further research is needed to determine patient outcomes from both out-of-hospital and in-hospital cardiac arrest when cardiopulmonary resuscitation is visually guided by focused echocardiography.
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Background: Patients with acute illness who receive intravenous (IV) fluids prior to hospital arrival may have a lower in-hospital mortality. To better understand whether this is a direct treatment effect or epiphenomenon of downstream care, we tested the association between a prehospital fluid bolus and the change in inflammatory cytokines measured at prehospital and emergency department timepoints in a sample of non-trauma, non-cardiac arrest patients at risk for critical illness. Methods: In a prospective cohort study, we screened 4,013 non-trauma, non-cardiac arrest encounters transported by City of Pittsburgh Emergency Medical Services (EMS) to 2 hospitals from August 2013 to February 2014. ⋯ Prehospital IL-10 and TNF were similar in both groups (IL-10: 3.5 [IQR 2.2-25.6] vs. 3.0 [IQR 1.9-9.0]; TNF: 7.5 [IQR 6.4-10.4] vs. 6.9 [IQR 6.0-8.3]). After adjustment for demographics, illness severity, and prehospital transport time, we observed a relative decrease in IL-6 at hospital arrival in those receiving a prehospital fluid bolus (adjusted β = -10.0, 95% CI: -19.4, -0.6, p = 0.04), but we did not detect a significant change in IL-10 (p = 0.34) or TNF (p = 0.53). Conclusions: Among non-trauma, non-cardiac arrest patients at risk for critical illness, a prehospital IV fluid bolus was associated with a relative decrease in IL-6, but not IL-10 or TNF.
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Observational Study
Push Dose Epinephrine Use in the Management of Hypotension During Critical Care Transport.
Introduction: Hypotension is a critical event during the transport of critically ill patients. Push dose vasopressor use, though widely adopted by anesthesiologists, has only recently found use in the field of emergency medicine and may have utility in the management of out-of-hospital hypotension. This study aimed to characterize the hemodynamic effects and adverse events that occur following push dose epinephrine (PDE) administration by critical care transport (CCT) providers to correct documented hypotension. ⋯ Conclusions: Push dose epinephrine may be an effective method of temporarily resolving hypotension during the CCT of critically ill patients. In the cases where PDE was administered, there was close adherence to the established protocol and adverse events were found to be rare directly following PDE administration. Further research is needed to validate these findings, establish optimal dosing, and evaluate use in non-CCT prehospital settings.
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Background: Workforce diversity can reduce communication barriers and inequalities in healthcare delivery, especially in settings where time pressure and incomplete information may exacerbate the effects of implicit biases. Emergency medical services (EMS) professionals represent a critical entry point into the healthcare system for diverse populations, yet little is known regarding changes in the demographic composition of this workforce. Our primary objective was to describe the gender and racial/ethnic composition of emergency medical technicians (EMTs) and paramedics who earned initial National EMS Certification from 2008 to 2017. ⋯ S. population, females and racial/ethnic minorities were underrepresented among EMTs and paramedics earning initial certification and these representation differences varied across geographic regions. Conclusions: The underrepresentation of females and minority racial/ethnic groups observed during this 10-year investigation of EMTs and paramedics earning initial certification suggests that EMS workforce diversity is unlikely to undergo substantial change in the near future. The representation gaps were larger and more stable among paramedics compared to EMTs and suggest an area where concerted efforts are needed to encourage students of diverse backgrounds to pursue EMS.
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Background: Dual defibrillation (DD) is a technique where two external defibrillators are applied with two different pad configurations and discharged to treat refractory ventricular fibrillation (RVF). Although commonly called dual sequential defibrillation (DSD), if the delivered electrical pulses overlap with no pulse interval, the shocks are actually dual simultaneous defibrillation (DSiD). Manual DD technique is not standardized and the effect that the method of activation has on the delivered pulse interval has never been studied. ⋯ SOSI resulted in the shortest pulse intervals, SOSE1 resulted in the longest, and TOSI and SOSE2 were the least skewed. Conclusion: DD using the various methods currently employed produces a highly variable set of pulse intervals even within a single method. It is difficult to reach a conclusion about the efficacy of DD unless the delivered pulse interval is measured or the method of activation reproducibly produces a precise pulse interval.