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ECG interpretation

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https://www.readbyqxmd.com/read/28917561/cardiac-rhythm-analysis-during-ongoing-cardiopulmonary-resuscitation-using-the-analysis-during-compressions-with-fast-reconfirmation-adc-fr-technology
#1
Francesca Fumagalli, Annemarie E Silver, Qing Tan, Naveed Zaidi, Giuseppe Ristagno
BACKGROUND: Pauses in chest compressions (CCs) have a negative association with survival from cardiac arrest (CA). ECG rhythm analysis and defibrillator charging are significant contributors to CC pauses. OBJECTIVE: Accuracy of the "Analysis During Compressions with Fast Reconfirmation" (ADC-FR) algorithm, which features automated rhythm analysis and charging during CCs to reduce CC pauses, was retrospectively determined in a large database of ECGs from 2,701 out-of-hospital CAs...
September 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28916173/a-new-anatomical-view-on-the-vector-cardiogram-the-mean-temporal-spatial-isochrones
#2
Peter M van Dam
AIM: This proof of principle study aims to show the direct relationship between cardiac anatomy and the mean cardiac activation path as captured by the 12 lead ECG derived mean temporal-spatial isochrones (mean TSI) path. METHODS: To obtain the mean TSI signal a vector cardiographic (VCG) signal is constructed from the 12 lead ECG. The construction of the VCG signal uses a model of the heart and torso with patient specific electrode extracted from a 3D photo. The propagation of the activation through the heart is captured by estimating the mean of a cardiac activation isochrone using this VCG signal...
August 12, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28903861/a-decision-support-system-and-rule-based-algorithm-to-augment-the-human-interpretation-of-the-12-lead-electrocardiogram
#3
Andrew W Cairns, Raymond R Bond, Dewar D Finlay, Daniel Guldenring, Fabio Badilini, Guido Libretti, Aaron J Peace, Stephen J Leslie
BACKGROUND: The 12-lead Electrocardiogram (ECG) has been used to detect cardiac abnormalities in the same format for more than 70years. However, due to the complex nature of 12-lead ECG interpretation, there is a significant cognitive workload required from the interpreter. This complexity in ECG interpretation often leads to errors in diagnosis and subsequent treatment. We have previously reported on the development of an ECG interpretation support system designed to augment the human interpretation process...
August 9, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28895038/a-retrospective-external-validation-study-of-the-heart-score-among-patients-presenting-to-the-emergency-department-with-chest-pain
#4
Matthew Jay Streitz, Joshua James Oliver, Jessica Marie Hyams, Richard Michael Wood, Yevgeniy Mikhaylovich Maksimenko, Brit Long, Robert Michael Barnwell, Michael David April
Emergency physicians must be able to effectively prognosticate outcomes for patients presenting to the Emergency Department (ED) with chest pain. The HEART score offers a prognostication tool, but external validation studies are limited. We conducted an external retrospective validation study of the HEART score among ED patients presenting to our ED with chest pain from 1 January 2014 to 9 June 2014. We utilized chart review methodology to abstract data from each patient's electronic medical record. We collected data relevant to each of the five elements of the HEART score: history, electrocardiogram (ECG) interpretation, patient age, patient risk factors, and troponin levels...
September 11, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28886483/a-window-based-time-series-feature-extraction-method
#5
Deniz Katircioglu-Öztürk, H Altay Güvenir, Ursula Ravens, Nazife Baykal
This study proposes a robust similarity score-based time series feature extraction method that is termed as Window-based Time series Feature ExtraCtion (WTC). Specifically, WTC generates domain-interpretable results and involves significantly low computational complexity thereby rendering itself useful for densely sampled and populated time series datasets. In this study, WTC is applied to a proprietary action potential (AP) time series dataset on human cardiomyocytes and three precordial leads from a publicly available electrocardiogram (ECG) dataset...
August 9, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28883032/screening-for-atrial-fibrillation-in-hospitalised-geriatric-patients
#6
Rene Tavernier, Michael Wolf, Vikas Kataria, Tom Phlips, Ruben Huys, Philippe Taghji, Ruan Louw, Raf Van Hoeyweghen, Yves Vandekerckhove, Sébastien Knecht, Mattias Duytschaever
OBJECTIVES: To assess whether daily short-term rhythm strip recordings on top of routine clinical care could increase the atrial fibrillation (AF) detection rate in the hospitalised elderly. METHODS: A hand-held device storing a bipolar ECG during 1 min was used for daily rhythm recording in hospitalised elderly patients. RESULTS: During 2 months, all patients admitted to the Department of Geriatric Medicine were screened (n=327). Five patients refused to participate in the study and 70 patients were unable to hold the device due to severe mental (n=46) or motor impairment (n=24)...
September 7, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28870390/how-do-we-balance-the-long-term-health-of-a-patient-with-the-short-term-risk-to-the-physician
#7
Michael B Weinstock, Amal Mattu, Erik P Hess
BACKGROUND: There is a wide variation in practice patterns among emergency medicine physicians; many factors weigh into the medical decision-making process including the health of the patient as well as short-term risk to the physician. OBJECTIVE: The objective of our discussion is to illustrate specific scenarios where medical decisions are focused on the physician's short-term risk, then to propose an approach to shifting the balance to the patient's long-term health...
September 1, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28864488/how-does-preclinical-laboratory-training-impact-physical-examination-skills-during-the-first-clinical-year-a-retrospective-analysis-of-routinely-collected-objective-structured-clinical-examination-scores-among-the-first-two-matriculating-classes-of-a-reformed
#8
Jolanta Świerszcz, Agata Stalmach-Przygoda, Marcin Kuźma, Konrad Jabłoński, Tomasz Cegielny, Agnieszka Skrzypek, Ewa Wieczorek-Surdacka, Olga Kruszelnicka, Kaja Chmura, Bernadeta Chyrchel, Andrzej Surdacki, Michał Nowakowski
OBJECTIVE: As a result of a curriculum reform launched in 2012 at our institution, preclinical training was shortened to 2 years instead of the traditional 3 years, creating additional incentives to optimise teaching methods. In accordance with the new curriculum, a semester-long preclinical module of clinical skills (CS) laboratory training takes place in the second year of study, while an introductory clinical course (ie, brief introductory clerkships) is scheduled for the Fall semester of the third year...
September 1, 2017: BMJ Open
https://www.readbyqxmd.com/read/28852283/feasibility-of-telecardiology-solution-to-connect-rural-health-clinics-to-a-teaching-hospital
#9
Ranjan Shetty, Jyothi Samant, Krishnanand Nayak, Manjunatha Maiya, Shankar Reddy
BACKGROUND: In spite of enormous progress in cardiac care in India, rural communities lack access to even basic cardiac care. One possible solution to this problem is to employ telecardiology. OBJECTIVES: To demonstrate feasibility of telecardiology system to link rural clinics to a teaching hospital. METHODS: Five rural clinics were linked to a teaching hospital, using an inexpensive system of cardiographs and tablet PCs to transmit ECGs to hospital and have them interpreted by cardiologist...
July 2017: Indian Journal of Community Medicine
https://www.readbyqxmd.com/read/28851729/assessment-of-remote-heart-rhythm-sampling-using-the-alivecor-heart-monitor-to-screen-for-atrial-fibrillation-the-rehearse-af-study
#10
Julian P J Halcox, Kathie Wareham, Antonia Cardew, Mark Gilmore, James P Barry, Ceri Phillips, Michael B Gravenor
Background -Asymptomatic atrial fibrillation (AF) is increasingly common in the aging population and implicated in many ischemic strokes. Earlier identification of AF with appropriate anticoagulation may decrease stroke morbidity and mortality. Methods -We conducted a randomized controlled trial of AF screening using an AliveCor Kardia monitor attached to a WiFi-enabled iPod to obtain ECGs (iECGs) in ambulatory patients. Patients ≥65 years of age with a CHADS-VASc score ≥2 free from AF were randomized to the iECG arm or routine care (RC)...
August 28, 2017: Circulation
https://www.readbyqxmd.com/read/28838551/general-approach-to-a-wide-qrs-complex
#11
REVIEW
Roberto De Ponti, Giuseppe Bagliani, Luigi Padeletti, Andrea Natale
Wide QRS complex is present when the normal activation pattern is modified by various mechanisms and clinical conditions. Correct interpretation is crucial for appropriate decision making. When approaching an electrocardiogram (ECG) with wide complex tachycardia, one must differentiate between ventricular tachycardia and supraventricular tachycardia conducted with aberrancy. ECG criteria are used and algorithms developed to aid in differential diagnosis. They are based on finding ECG signs of ventriculoatrial dissociation and QRS morphologies inconsistent with classic bundle branch block...
September 2017: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/28838545/general-introduction-classification-and-electrocardiographic-diagnosis-of-cardiac-arrhythmias
#12
REVIEW
Luigi Padeletti, Giuseppe Bagliani
The conduction system includes a primary pacemaker, the internodal tracts, the atrioventricular node, and the His bundle with the right and left branches. In "emergency" conditions, accessory pacemakers may be triggered. The conduction system produces very low-intensity currents; a surface electrocardiogram (ECG) detects only the big myocardial masses. Electrogenetic mechanisms are reduced automaticity and/or impaired conduction at the base of bradycardias. An increased automaticity and/or reentry phenomenon are at the base of ectopic beats and tachycardias...
September 2017: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/28838369/computer-interpreted-electrocardiograms-benefits-and-limitations
#13
REVIEW
Jürg Schläpfer, Hein J Wellens
Computerized interpretation of the electrocardiogram (CIE) was introduced to improve the correct interpretation of the electrocardiogram (ECG), facilitating health care decision making and reducing costs. Worldwide, millions of ECGs are recorded annually, with the majority automatically analyzed, followed by an immediate interpretation. Limitations in the diagnostic accuracy of CIE were soon recognized and still persist, despite ongoing improvement in ECG algorithms. Unfortunately, inexperienced physicians ordering the ECG may fail to recognize interpretation mistakes and accept the automated diagnosis without criticism...
August 29, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28822530/application-of-exercise-ecg-stress-test-in-the-current-high-cost-modern-era-healthcare-system
#14
REVIEW
Gaurang Nandkishor Vaidya
Exercise electrocardiogram (ECG) tests boasts of being more widely available, less resource intensive, lower cost and absence of radiation. In the presence of a normal baseline ECG, an exercise ECG test is able to generate a reliable and reproducible result almost comparable to Technitium-99m sestamibi perfusion imaging. Exercise ECG changes when combined with other clinical parameters obtained during the test has the potential to allow effective redistribution of scarce resources by excluding low risk patients with significant accuracy...
July 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28808092/training-and-experience-matter-improving-athlete-ecg-screening-interpretation-and-reproducibility
#15
EDITORIAL
Jordan M Prutkin, Jonathan A Drezner
No abstract text is available yet for this article.
August 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28808091/inter-rater-reliability-and-downstream-financial-implications-of-electrocardiography-screening-in-young-athletes
#16
Harshil Dhutia, Aneil Malhotra, Tee Joo Yeo, Irina Chis Ster, Vincent Gabus, Alexandros Steriotis, Helder Dores, Greg Mellor, Carmen García-Corrales, Bode Ensam, Viknesh Jayalapan, Vivienne Anne Ezzat, Gherardo Finocchiaro, Sabiha Gati, Michael Papadakis, Maria Tome-Esteban, Sanjay Sharma
BACKGROUND: Preparticipation screening for cardiovascular disease in young athletes with electrocardiography is endorsed by the European Society of Cardiology and several major sporting organizations. One of the concerns of the ECG as a screening test in young athletes relates to the potential for variation in interpretation. We investigated the degree of variation in ECG interpretation in athletes and its financial impact among cardiologists of differing experience. METHODS AND RESULTS: Eight cardiologists (4 with experience in screening athletes) each reported 400 ECGs of consecutively screened young athletes according to the 2010 European Society of Cardiology recommendations, Seattle criteria, and refined criteria...
August 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28750576/smartphone-based-tele-electrocardiography-support-for-primary-care-physicians-reduces-the-pain-to-treatment-time-in-acute-coronary-syndrome
#17
Vivek Chauhan, P C Negi, Sujeet Raina, Sunil Raina, Mukul Bhatnagar, Rajesh Guleri, Vikrant Kanwar, Kumar S Pandey
Background The Himachal Pradesh state acute coronary syndrome registry recorded a median delay of 13 h between the time of onset of pain to the time of making the diagnosis and giving treatment for acute coronary syndrome. We conducted a pilot study on providing 24-h tele-electrocardiography (Tele-ECG) services in the district Kangra of Himachal Pradesh, with the aim to reduce the time taken for diagnosis of acute coronary syndrome. Methods The intervention group for the study included eight rural community health centres, each with one to three primary care physicians, who were all unskilled in electrocardiogram interpretation...
January 1, 2017: Journal of Telemedicine and Telecare
https://www.readbyqxmd.com/read/28744821/evaluating-the-effect-of-instruction-and-practice-schedule-on-the-acquisition-of-ecg-interpretation-skills
#18
Sandra Monteiro, Lindsay Melvin, Joshua Manolakos, Ameen Patel, Geoffrey Norman
INTRODUCTION: Evidence of the benefit of distributed instruction and interleaved practice comes from studies using simple materials (e. g. word pairs). Furthermore, there is currently no evidence of the combined impact of these strategies in undergraduate medical education. The present study evaluated the impact of varying both instruction and practice schedules for the acquisition of ECG interpretation skills. METHODS: We conducted a 2 × 2 factorial study with two levels of instruction (massed and distributed) and two levels of practice (interleaved and blocked)...
August 2017: Perspectives on Medical Education
https://www.readbyqxmd.com/read/28743479/integrating-heart-rate-variability-vital-signs-electrocardiogram-and-troponin-to-triage-chest-pain-patients-in-the-ed
#19
Jeffrey Tadashi Sakamoto, Nan Liu, Zhi Xiong Koh, Dagang Guo, Micah Liam Arthur Heldeweg, Janson Cheng Ji Ng, Marcus Eng Hock Ong
BACKGROUND: Current triage methods for chest pain patients typically utilize symptoms, electrocardiogram (ECG), and vital sign data, requiring interpretation by dedicated triage clinicians. In contrast, we aimed to create a quickly obtainable model integrating the objective parameters of heart rate variability (HRV), troponin, ECG, and vital signs to improve accuracy and efficiency of triage for chest pain patients in the emergency department (ED). METHODS: Adult patients presenting to the ED with chest pain from September 2010 to July 2015 were conveniently recruited...
July 17, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28739836/psychological-impact-of-electrocardiogram-screening-in-national-collegiate-athletic-association-athletes
#20
Irfan M Asif, Scott Annett, Joseph A Ewing, Ramy Abdelfattah, Brittan Sutphin, Kyle Conley, Justin Rothmier, Kimberly G Harmon, Jonathan A Drezner
PURPOSE: Determine the psychological impact of false-positive ECG screening in National Collegiate Athletic Association (NCAA) athletes. METHODS: Athletes representing seven NCAA institutions received a standardised history, physical examination and ECG interpreted using the 2013 Seattle Criteria. Assessments of health attitudes, anxiety and impact of screening on sport were conducted using validated prescreen and postscreen measurements. RESULTS: 1192 student-athletes participated (55...
July 24, 2017: British Journal of Sports Medicine
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