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Dispatch Accuracy

Marko Hoikka, Sami Länkimäki, Tom Silfvast, Tero I Ala-Kokko
BACKGROUND: In Finland, calls for emergency medical services are prioritized by educated non-medical personnel into four categories-from A (highest risk) to D (lowest risk)-following a criteria-based national dispatch protocol. Discrepancies in triage may result in risk overestimation, leading to inappropriate use of emergency medical services units and to risk underestimation that can negatively impact patient outcome. To evaluate dispatch protocol accuracy, we assessed association between priority assigned at dispatch and the patient's condition assessed by emergency medical services on the scene using an early warning risk assessment tool...
December 3, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
Todd Chassee, Diann Reischmann, Michael Mancera, John D Hoyle
BACKGROUND: Prehospital pediatric drug dosing errors affect 56,000 U.S. children annually. An accurate weight is the first step in accurate dosing. To date, the accuracy of Emergency Medical Dispatcher (EMD) obtained weights has not been evaluated. We hypothesized that EMD could obtain accurate pediatric weights. METHODS: We used a convenience sample of patients 12 years and younger that were transported by EMS to one children's hospital. EMD obtained patient weight (DW) from the 9-1-1 caller...
November 2016: Prehospital Emergency Care
Thea Palsgaard Møller, Cecilia Andréll, Søren Viereck, Lizbet Todorova, Hans Friberg, Freddy K Lippert
INTRODUCTION: Survival after out-of-hospital cardiac arrest (OHCA) remains low. Early recognition by emergency medical dispatchers is essential for an effective chain of actions, leading to early cardiopulmonary resuscitation, use of an automated external defibrillator and rapid dispatching of the emergency medical services. AIM: To analyse and compare the accuracy of OHCA recognition by medical dispatchers in two countries. METHOD: An observational register-based study collecting data from national cardiac arrest registers in Denmark and Sweden during a six-month period in 2013...
December 2016: Resuscitation
D C Wright, N Adayapalam, N Bain, S M Bain, A Brown, N Buzzacott, L Carey, J Cross, K Dun, C Joy, C McCarthy, S Moore, A R Murch, F O'Malley, E Parker, J Watt, H Wilkin, K Fagan, M D Pertile, G B Peters
Chromosome microarrays are an essential tool for investigation of copy number changes in children with congenital anomalies and intellectual deficit. Attempts to standardise microarray testing have focused on establishing technical and clinical quality criteria, however external quality assessment programs are still needed. We report on a microarray proficiency testing program for Australasian laboratories. Quality metrics evaluated included analytical accuracy, result interpretation, report completeness, and laboratory performance data: sample numbers, success and abnormality rate and reporting times...
October 2016: Pathology
John Adam Oostema, Trevor Carle, Nadine Talia, Mathew Reeves
BACKGROUND: Emergency dispatchers represent the first point of contact for patients activating an acute stroke response. Accurate dispatcher stroke recognition is associated with faster emergency medical services response time; however, stroke is often unrecognized during initial emergency calls. Stroke screening tools such as the Cincinnati Prehospital Stroke Scale have been shown to improve on-scene stroke recognition and thus have been proposed as a means to improve dispatcher accuracy...
2016: Cerebrovascular Diseases
Y S Sun, X Y Zhao, B K Zhang, J F Jiang, H J Lu, Y X Cao, G Z Wu, J Qian, Y S Sun, Y J Zeng
BACKGROUND: The outbreak of Ebola virus disease in West Africa has brought great disaster to the people's health in affected countries. China dispatched first group of public health experts and medical staff to Sierra Leone in September 2014 to fight Ebola. METHODS: To systematically collect huge amount of primary data, and to make analysis, draw conclusions and lessons in terms of six aspects, respectively as training before departure, local disease information, track of epidemic situation, transformation of temporary laboratory, detection of Ebola virus samples as well as assessment through single blind test...
2016: Bratislavské Lekárske Listy
Jennifer Schwartz, Rachel P Dreyer, Karthik Murugiah, Isuru Ranasinghe
BACKGROUND AND PURPOSE: There are no contemporary national-level data on Emergency Medical Services (EMS) response times for suspected stroke in the United States (US). Because effective stroke treatment is time-dependent, we characterized response times for suspected stroke, and examined whether they met guideline recommendations. METHODS: Using the National EMS Information System dataset, we included 911 calls for patients ≥ 18 years with an EMS provider impression of stroke...
September 2016: Prehospital Emergency Care
Kate Cantwell, Stephen Burgess, Amee Morgans, Karen Smith, Michael Livingston, Paul Dietze
BACKGROUND: Injury due to falls is a major public health problem, especially for older people. We aimed to determine the accuracy of the ambulance call taker triage algorithm relative to paramedic assessment, and characterise variation in ambulance service demand for falls cases involving older adults over time and by residence type. METHOD: We obtained all ambulance case records for January 2008 to December 2011 for adults aged 65 or over in Melbourne, Australia...
January 2016: Injury
Fabrice Dami, Christel Golay, Mathieu Pasquier, Vincent Fuchs, Pierre-Nicolas Carron, Olivier Hugli
BACKGROUND: Priority dispatch accuracy is a key issue in optimizing the match between patients' medical needs and pre-hospital resources. This study measures the accuracy of a Criteria Based Dispatch (CBD) system, by evaluating discrepancies between dispatch priorities and ambulance crews' severity evaluations. METHODS: This is a retrospective study conducted from January 2011 to December 2011. We ruled that a National Advisory Committee for Aeronautics (NACA) score > 3 (injuries/diseases which can possibly lead to deterioration of vital signs) to 7 (lethal injuries/ diseases) should require a priority dispatch with lights and siren (L&S), while NACA scores < 4 should require a priority dispatch without L&S...
October 27, 2015: BMC Emergency Medicine
Paul Y Kerl, Wenxian Zhang, Juan B Moreno-Cruz, Athanasios Nenes, Matthew J Realff, Armistead G Russell, Joel Sokol, Valerie M Thomas
Integrating accurate air quality modeling with decision making is hampered by complex atmospheric physics and chemistry and its coupling with atmospheric transport. Existing approaches to model the physics and chemistry accurately lead to significant computational burdens in computing the response of atmospheric concentrations to changes in emissions profiles. By integrating a reduced form of a fully coupled atmospheric model within a unit commitment optimization model, we allow, for the first time to our knowledge, a fully dynamical approach toward electricity planning that accurately and rapidly minimizes both cost and health impacts...
September 1, 2015: Proceedings of the National Academy of Sciences of the United States of America
Jan L Jensen, Alix J E Carter, Jennifer Rose, Sarah Visintini, Emmanuelle Bourdon, Ryan Brown, Jennifer McVey, Andrew H Travers
OBJECTIVES: Emergency medical services (EMS) programs, which provide an alternative to traditional EMS dispatch or transport to the emergency department (ED), are becoming widely implemented. This scoping review identified and catalogued all outcomes used to measure such alternative EMS programs. Data Source Broad systematized bibliographic and grey literature searches were conducted. Study Selection Inclusion criteria were 911 callers/EMS patients, reported on alternatives to traditional EMS dispatch OR traditional EMS transport to the ED, and reported an outcome measure...
September 2015: CJEM
Annelieke Maria Karien Harmsen, Leo Maria George Geeraedts, Georgios Fredericus Giannakopoulos, Maartje Terra, Herman Martinus Timotheus Christiaans, Lidwine Brigitta Mokkink, Frank Willem Bloemers
BACKGROUND: In The Netherlands, standard prehospital trauma care is provided by emergency medical services and can be supplemented with advanced trauma care by Mobile Medical Teams. Due to observed over and undertriage in the dispatch of the Mobile Medical Team for major trauma patients, the accuracy of the dispatch criteria has been disputed. In order to obtain recommendations to invigorate the dispatch criteria, this study aimed at reaching consensus in expert opinion on the question; which acute trauma patient is in need of care by a Mobile Medical Team? In this paper we describe the protocol of the DENIM study (a Delphi-procedure on the identification of prehospital trauma patients in need of care by Mobile Medical Teams)...
2015: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
Christian Vaillancourt, Manya Charette, Ann Kasaboski, Marianne Hoad, Vivianne Larocque, Denis Crête, Stephanie Logan, Patrick Lamoureux, Jeff McBride, Sheldon Cheskes, George A Wells, Ian G Stiell
INTRODUCTION: We sought to determine the ability of 9-1-1 dispatchers to accurately determine the presence of out-of-hospital cardiac arrest (OOHCA) over the telephone, and to determine the frequency with which CPR instructions are initiated and chest compressions delivered in patients not in cardiac arrest. METHODS: We conducted a multi-center, prospective cohort study of adult OOHCA patients not witnessed by EMS for which resuscitation was attempted. Dispatchers were not health care professionals and received 6 weeks of training followed by a 6-month preceptorship...
May 2015: Resuscitation
Asghar Dalvandi, Hamidreza Khankeh, Saiedeh Bahrampouri, Abbas Ebadi, Hojjat Passandeh, Hassan Nouri Sari, Fardin Faraji, Mehdi Rahgozar
BACKGROUND: Various studies have shown that stroke morbidity and mortality could be decreased if patients receive early diagnosis and treatment. Iranian Pre-hospital Stroke Scale (IPSS) is designed based on other prehospital stroke scales available across the world as well as experiences of emergency medicine specialists and pre-hospital emergency technicians to improve the diagnostic accuracy of the stroke scale in Iran. METHODS: Using a mixed method, the study was carried out in two main phases...
2014: Medical Journal of the Islamic Republic of Iran
Mohsen Mohammadi, Amir Ashkan Nasiripour, Mahmood Fakhri, Ahad Bakhtiari, Samad Azari, Arash Akbarzadeh, Ali Goli, Mohammad Mahboubi
This study evaluated the time performance in the emergency response center to provide pre-hospital emergency services in Kermanshah. This study was a descriptive retrospective cross-sectional study. In this study 500 cases of patients from Shahrivar (September) 2012 to the end of Shahrivar (September) 2013 were selected and studied by the non-probability quota method. The measuring tool included a preset cases record sheet and sampling method was completing the cases record sheet by referring to the patients' cases...
2015: Global Journal of Health Science
Ian Wilmer, Graham Chalk, Gareth Edward Davies, Anne Elizabeth Weaver, David John Lockey
OBJECTIVE: The identification of serious injury is critical to the tasking of air ambulances. London's Air Ambulance (LAA) is dispatched by a flight paramedic based on mechanism of injury (MOI), paramedical interrogation of caller (INT) or land ambulance crew request (REQ).This study aimed to demonstrate which of the dispatch methods was most effective (in accuracy and time) in identifying patients with serious injury. METHODS: A retrospective review of 3 years of data (to December 2010) was undertaken...
October 2015: Emergency Medicine Journal: EMJ
Maxime Maignan, Anais Richard, Guillaume Debaty, Philippe Pommier, Damien Viglino, François Loizzo, Jean-François Timsit, Jérome Hanna, Françoise Carpentier, Vincent Danel
OBJECTIVES: Severely poisoned patients can benefit from intensive and specific treatments. Emergency medical services (EMS) may therefore play a crucial role by matching prehospital care and hospital referral to the severity of poisoned patients. Our aim was to investigate EMS accuracy in this condition. METHODS: A 3-year retrospective study was conducted in a university hospital. Emergency telephone calls about adult patients with intentional drug poisoning (IDP) were included...
April 2015: Prehospital Emergency Care
Ye Ren, Ponnuthurai Nagaratnam Suganthan, Narasimalu Srikanth
Wind energy is a clean and an abundant renewable energy source. Accurate wind speed forecasting is essential for power dispatch planning, unit commitment decision, maintenance scheduling, and regulation. However, wind is intermittent and wind speed is difficult to predict. This brief proposes a novel wind speed forecasting method by integrating empirical mode decomposition (EMD) and support vector regression (SVR) methods. The EMD is used to decompose the wind speed time series into several intrinsic mode functions (IMFs) and a residue...
August 2016: IEEE Transactions on Neural Networks and Learning Systems
Daniel Lai, Irmtraud M Meyer
e-RNA offers a free and open-access collection of five published RNA sequence analysis tools, each solving specific problems not readily addressed by other available tools. Given multiple sequence alignments, Transat detects all conserved helices, including those expected in a final structure, but also transient, alternative and pseudo-knotted helices. RNA-Decoder uses unique evolutionary models to detect conserved RNA secondary structure in alignments which may be partly protein-coding. SimulFold simultaneously co-estimates the potentially pseudo-knotted conserved structure, alignment and phylogenetic tree for a set of homologous input sequences...
July 2014: Nucleic Acids Research
Kathryn Eastwood, Amee Morgans, Karen Smith, Johannes Stoelwinder
OBJECTIVE: Secondary telephone triage to divert low-acuity patients to alternative non-ambulance services before ambulance arrival has been trialled in the UK and USA as a management strategy to cope with the increase in ambulance demand. The objective of this systematic review was to examine the literature on the structure, safety and success of secondary triage systems. METHODS: For inclusion in the study, the telephone triage system had to be a secondary process, receiving referred patients who had already been categorised as low priority by a primary triage process...
June 2015: Emergency Medicine Journal: EMJ
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