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Automatic external defibrillator

Pascal Joseph de Caprariis, Angela de Caprariis-Salerno, Claudia Lyon
Common in-flight emergencies include syncope, respiratory symptoms, nausea/vomiting, cardiac symptoms, and seizures. Flight conditions, such as changes in air pressure and humidity, can exacerbate existing chronic medical conditions. In 2017, US airlines carried 849.3 million passengers. Undoubtedly, there were many requests for in-flight medical assistance. Whenever a medical event occurs, it is standard procedure that an announcement be made by a flight attendant, requesting medical personnel to identify themselves...
January 2019: Southern Medical Journal
Isabel Gardett, Meghan Broadbent, Greg Scott, Jeff J Clawson, Christopher Olola
OBJECTIVE: The aim of this study was to determine the frequency of automatic external defibrillator (AED) retrieval and placement by bystander callers when prompted by an Emergency Medical Dispatcher (EMD). METHODS: This retrospective descriptive study utilized a convenience sample of emergency dispatch data collected from 23 Emergency Communication Centers (ECCs) spanning 14 states across the United States (U.S.) from July 11, 2014 to August 13, 2018, including all cases in which the EMD recorded any response to the AED availability prompt...
December 20, 2018: Prehospital Emergency Care
Olga Maurin, Sabine Lemoine, Daniel Jost, Vincent Lanoë, Aurelien Renard, Stephane Travers, The Paris Fire Brigade Cardiac Arrest Work Group, Frederic Lapostolle, Jean Pierre Tourtier
AIM: Out-of-hospital cardiac arrests (OHCAs) in pregnant women are rare events. In this study, we aimed to describe a cohort of pregnant women who experienced OHCAs in a large urban area, and received treatment by the prehospital teams in a two-tiered emergency response system. METHODS: This retrospective study included pregnant women over 18 years of age who experienced OHCAs. The analysed variables included maternal age, gestational age, variables specific to the rescue system, number of shocks delivered by an automatic external defibrillator, and rates of maternal and neonatal survival...
December 15, 2018: Resuscitation
Jessica K Zègre-Hemsey, Brittany Bogle, Christopher J Cunningham, Kyle Snyder, Wayne Rosamond
Purpose of Review: Out-of-hospital cardiac arrest (OHCA) remains a significant health problem in the USA and only 8.6% of victims survive with good neurological function, despite advances in emergency cardiac care. The likelihood of OHCA survival decreases by 10% for every minute without resuscitation. Recent Findings: Automatic external defibrillators (AEDs) have the potential to save lives yet public access defibrillators are underutilized (< 2% of the time) because they are difficult to locate and rarely available in homes or residential areas, where the majority (70%) of OHCA occur...
November 2018: Current Cardiovascular Risk Reports
Jordi Castillo, Carmen Gomar, Encarnación Rodriguez, Marta Trapero, Alberto Gallart
The use of online teaching methodology for basic life support (BLS) courses is progressively increasing. The objective of this study was to verify whether the blended-learning methodology (virtual course with a short face-to-face complement) was more efficient than a course that followed the classical or face-to-face methodology in our university. MATERIALS AND METHODS: A cost minimization analysis was performed for two BLS and automatic external defibrillation (AED) courses, one of which was conducted face-to-face (Control Group) and the second of which was conducted via blended-learning (Experimental Group)...
November 11, 2018: Resuscitation
Muhammad Ali Chaudhary, Justin McCarty, Samir Shah, Zain Hashmi, Edward Caterson, Scott Goldberg, Craig Goolsby, Adil Haider, Eric Goralnick
BACKGROUND: In a decade, the US military reduced deaths from uncontrolled bleeding on the battlefield by 67%. This success, coupled with an increased incidence of mass shootings in the US, has led to multiple initiatives intent on translating hemorrhage-control readiness to the civilian sector. However, the best method to achieve widespread population-level hemorrhage-control readiness for civilians has not yet been elucidated. This study evaluates the implementation of American College of Surgeons Bleeding Control training at a National Football League stadium as a prospective model for general mass gathering site implementation...
November 10, 2018: Surgery
Sakari Syväoja, Tuomas T Rissanen, Pamela Hiltunen, Maaret Castren, Pirjo Mäntylä, Antti Kivelä, Ari Uusaro, Helena Jäntti
BACKGROUND: Recognition of out-of-hospital-cardiac arrests (OHCAs) at emergency medical communication centres is based on questions of OHCA symptoms, resulting in 50-80% accuracy rates. However, OHCAs might be recognized more promptly using 'rhythm-based' recognition, whereby a victim's cardiac rhythm is recorded with mobile phone technology that analyses and transmits recordings to emergency medical communication centres for further interpretation. OBJECTIVE: To examine whether the quality of normal cardiac rhythm and the rhythm with the best prognosis in OHCA, ventricular fibrillation (VF), is sufficient for 'rhythm-based' OHCA recognition when recorded within a mobile phone-sized device...
December 2018: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
Andoni Elola, Elisabete Aramendi, Unai Irusta, Javier Del Ser, Erik Alonso, Mohamud Daya
Sudden cardiac arrest is one of the leading causes of death in the industrialized world. Pulse detection is essential for the recognition of the arrest and the recognition of return of spontaneous circulation during therapy, and it is therefore crucial for the survival of the patient. This paper introduces the first method based exclusively on the ECG for the automatic detection of pulse during cardiopulmonary resuscitation. Random forest classifier is used to efficiently combine up to nine features from the time, frequency, slope, and regularity analysis of the ECG...
September 13, 2018: Medical & Biological Engineering & Computing
Keith J Ruskin, Eduard M Ricaurte, Paulo M Alves
Although cardiac arrest during airline flights is relatively uncommon, the unusual setting, limited resources, and the variability of the skills in medical volunteers present unique challenges. Survival in patients who suffer a witnessed arrest with a shockable rhythm who are treated promptly has improved since the advent of widely available automated external defibrillators (AEDs). In general, the chances of survival from an out-of-hospital cardiac arrest (OHCA) are greater when ventricular fibrillation (VF) is seen as the initial rhythm or if there is return of spontaneous circulation (ROSC)...
August 1, 2018: Aerospace Medicine and Human Performance
Hans David Huang, William L Lombardi, Zachary Louis Steinberg
CLINICAL INTRODUCTION: A man in his early 30s with remote history of a febrile rash as a toddler presented to the emergency room following an out-of-hospital cardiac arrest while riding his bicycle. He received bystander cardiopulmonary resuscitation and one shock from an automatic external defibrillator, successfully restoring sinus rhythm. On arrival, he was haemodynamically stable without ECG evidence of ST segment changes to suggest active ischaemia, and an initial troponin I was mildly elevated at 0...
June 22, 2018: Heart: Official Journal of the British Cardiac Society
Enrico Paolini, Elettra Conti, Federico Guerra, Alessandro Capucci
BACKGROUND: Despite the many recent improvements in basic life support (BLS) and the widespread training to a great number of lay rescuers, out-of-hospital cardiac arrest (OHCA) is still a major cause of death. Nowadays, BLS teaching protocols ask for many concepts to be learned and specific algorithms to be applied, without any available data on how much all these inputs are retained by the students. The present survey aims to evaluate how BLS is really retained by those rescuers (laypersons and nurses) who do not often put it into practice...
March 2018: Giornale Italiano di Cardiologia
Susan M Fuchs
Pediatric cardiac arrest in the out-of-hospital setting is a traumatic event for family, friends, caregivers, classmates, and school personnel. Immediate bystander cardiopulmonary resuscitation and the use of automatic external defibrillators have been shown to improve survival in adults. There is some evidence to show improved survival in children who receive immediate bystander cardiopulmonary resuscitation. Pediatricians, in their role as advocates to improve the health of all children, are uniquely positioned to strongly encourage the training of children, parents, caregivers, school personnel, and the lay public in the provision of basic life support, including pediatric basic life support, as well as the appropriate use of automated external defibrillators...
June 2018: Pediatrics
Joanna Sweeting, Christopher Semsarian
Sudden cardiac death (SCD) in athletes is a rare but tragic complication of a number of cardiovascular diseases. Inherited causes such as the structural and arrhythmogenic genetic heart conditions are often found or suspected to be the underlying cause of death at post mortem examination. Physical activity and intense exercise may trigger cardiac arrhythmias in individuals with these conditions leading to SCD. Prevention and treatment strategies include individual athlete management strategies, coupled with public health measures such as universal cardiopulmonary resuscitation (CPR) training and availability of automatic external defibrillators (AEDs) in public places, thereby preventing SCD in both athletes and the general population...
September 2018: Heart, Lung & Circulation
Manuel Cortes, Carlos A Roldan, Stacey Clegg
A previously asymptomatic young female with no previous medical or cardiac history collapsed during indoor exercise. A portable automatic external defibrillator showed a shockable rhythm. She received multiple electrical shocks with return to normal sinus rhythm without ischaemic ECG changes. Her troponin level was mildly elevated. A transthoracic echocardiogram revealed moderately reduced left ventricular ejection fraction with global hypokinesis. During emergent coronary angiography, the left main coronary artery could not be found...
April 24, 2018: BMJ Case Reports
Jordi Castillo, Aberto Gallart, Encarnación Rodríguez, Jorge Castillo, Carmen Gomar
AIM OF THE STUDY: The objective of this study was to compare the immediate and 6-month efficacy of basic life support (BLS) and automatic external defibrillation (AED) training using standard or blended methods. METHODS: First-year students of medicine and nursing (n = 129) were randomly assigned to a control group (face-to-face training based on the European Resuscitation Council [ERC] Guidelines) or to an experimental group that trained with a self-training video, a new website, a Moodle platform, an intelligent manikin, and 45 min of instructor presence...
June 2018: Nurse Education Today
Cristina Cerezo Espinosa, Sergio Nieto Caballero, Laura Juguera Rodríguez, José Francisco Castejón-Mochón, Francisca Segura Melgarejo, Carmen María Sánchez Martínez, Carmen Amalia López López, Manuel Pardo Ríos
OBJECTIVES: To compare secondary students' learning of basic life support (BLS) theory and the use of an automatic external defibrillator (AED) through face-to-face classroom instruction versus educational video instruction. MATERIAL AND METHODS: A total of 2225 secondary students from 15 schools were randomly assigned to one of the following 5 instructional groups: 1) face-to-face instruction with no audiovisual support, 2) face-to-face instruction with audiovisual support, 3) audiovisual instruction without face-to-face instruction, 4) audiovisual instruction with face-to-face instruction, and 5) a control group that received no instruction...
February 2018: Emergencias: Revista de la Sociedad Española de Medicina de Emergencias
Nicholas John Tierney, H Jost Reinhold, Antonietta Mira, Martin Weiser, Roman Burkart, Claudio Benvenuti, Angelo Auricchio
BACKGROUND: Mathematical optimisation models have recently been applied to identify ideal Automatic External Defibrillator (AED) locations that maximise coverage of Out of Hospital Cardiac Arrest (OHCA). However, these fixed location models cannot relocate existing AEDs in a flexible way, and have nearly exclusively been applied to urban regions. We developed a flexible location model for AEDs, compared its performance to existing fixed location and population models, and explored how these perform across urban and rural regions...
April 2018: Resuscitation
Martin Porzer, Eva Mrazkova, Miroslav Homza, Vladimir Janout
Out-of-hospital cardiac arrest (OHCA) is a leading cause of death in developed industrial countries. The global worldwide average of OHCA incidence in adults is 95.9/100,000/year. European incidences vary according to source from 16 to 119/100,000/year. The aim of this study was to provide an overview of current information on OHCA. The incidences in various populations are discussed, along with the factors affecting the prognosis and outcome of these patients. The etiology and pathophysiological mechanisms are also described, especially in relation to the most common causes - acute and chronic forms of coronary artery disease and cardiomyopathies...
December 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
Christopher M Smith, Mark H Wilson, Ali Ghorbangholi, Christopher Hartley-Sharpe, Carl Gwinnutt, Bridget Dicker, Gavin D Perkins
In England, fewer than 1 in 10 out-of-hospital cardiac arrest victims survive to hospital discharge. This could be substantially improved by increasing bystander cardiopulmonary resuscitation and Automated External Defibrillator use. GoodSAM is a mobile-phone, app-based system alerting trained individuals to nearby cardiac arrests. 'Responders' can be notified by bystanders using the GoodSAM 'Alerter' function. In London, when a 999 call-handler identifies cardiac arrest, in addition to dispatching the usual professional resources, London Ambulance Service automatically activates nearby GoodSAM responders...
December 2017: Resuscitation
Máirín Ryan, Patrick S Moran, Patricia Harrington, Linda Murphy, Michelle O'Neill, Marty Whelan, Conor Teljeur
OBJECTIVES: The aim of this study was to illustrate the contribution of stakeholder engagement to the impact of health technology assessment (HTA) using an Irish HTA of a national public access defibrillation (PAD) program. BACKGROUND: In response to draft legislation that proposed a PAD program, the Minister for Health requested that Health Information and Quality Authority undertake an HTA to inform the design and implementation of a national PAD program and the necessary underpinning legislation...
January 2017: International Journal of Technology Assessment in Health Care
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