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https://www.readbyqxmd.com/read/29341881/clinical-implications-of-technological-advances-in-screening-for-atrial-fibrillation
#1
REVIEW
Nikhil Singh, Sung Chun, David Hadley, Victor Froelicher
The incidence of atrial fibrillation (AF) continues to increase worldwide as people live longer. AF is the leading cause of stroke among patients older than 75 years and is responsible for at least 15% of all strokes. Industry has responded to this problem with a plethora of monitoring devices. These include single lead ECG adhesive sensors, implantable loop recorders, smartphone attachments and wearables. This review will concentrate on clinical studies using these technologies. There are wearables including watches and watch-like devices that will be mentioned but these have not been validated for clinical use...
January 13, 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29337892/improving-remote-health-monitoring-a-low-complexity-ecg-compression-approach
#2
Mohamed Elgendi, Abdulla Al-Ali, Amr Mohamed, Rabab Ward
Recent advances in mobile technology have created a shift towards using battery-driven devices in remote monitoring settings and smart homes. Clinicians are carrying out diagnostic and screening procedures based on the electrocardiogram (ECG) signals collected remotely for outpatients who need continuous monitoring. High-speed transmission and analysis of large recorded ECG signals are essential, especially with the increased use of battery-powered devices. Exploring low-power alternative compression methodologies that have high efficiency and that enable ECG signal collection, transmission, and analysis in a smart home or remote location is required...
January 16, 2018: Diagnostics
https://www.readbyqxmd.com/read/29336652/detection-of-stemi-using-prehospital-serial-12-lead-electrocardiograms
#3
Alain Tanguay, Johann Lebon, Lorraine Lau, Denise Hébert, François Bégin
OBJECTIVE: Repeated or serial 12-lead electrocardiograms (ECGs) in the prehospital setting may improve management of patients with subtle ST-segment elevation (STE) or with a ST-segment elevation myocardial infarction (STEMI) that evolves over time. However, there is a minimal amount of scientific evidence available to support the clinical utility of this method. Our objective was to evaluate the use of serial 12-lead ECGs to detect STEMI in patients during transport in a Canadian emergency medical services (EMS) jurisdiction...
January 16, 2018: Prehospital Emergency Care
https://www.readbyqxmd.com/read/29330780/safety-in-mixed-martial-arts-a-7-year-review-of-cancelled-mma-bouts-in-calgary-alberta-during-the-pre-bout-medical-examination-period
#4
Gwynn Curran-Sills
BACKGROUND: Presently, there is no literature that examines the reasons for the cancellation of amateur or professional mixed martial arts (MMA) bouts. The purpose of this study was to review the circumstances that lead to the cancellation of MMA bouts by Calgary ringside physicians during the pre-bout examination period and to identify any emerging patterns that may guide the regulatoin of this sport. METHODS: The case-series  was constructed from the Calgary Combative Sports Commission pre-bout examination records and the medical records submitted by each athlete from January 2010 to December 2016...
January 12, 2018: Sports Medicine—Open
https://www.readbyqxmd.com/read/29330154/novel-wearable-seismocardiography-and-machine-learning-algorithms-can-assess-clinical-status-of-heart-failure-patients
#5
Omer T Inan, Maziyar Baran Pouyan, Abdul Q Javaid, Sean Dowling, Mozziyar Etemadi, Alexis Dorier, J Alex Heller, A Ozan Bicen, Shuvo Roy, Teresa De Marco, Liviu Klein
BACKGROUND: Remote monitoring of patients with heart failure (HF) using wearable devices can allow patient-specific adjustments to treatments and thereby potentially reduce hospitalizations. We aimed to assess HF state using wearable measurements of electrical and mechanical aspects of cardiac function in the context of exercise. METHODS AND RESULTS: Patients with compensated (outpatient) and decompensated (hospitalized) HF were fitted with a wearable ECG and seismocardiogram sensing patch...
January 2018: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29326112/epidemiology-of-new-onset-atrial-fibrillation-following-coronary-artery-bypass-graft-surgery
#6
Giovanni Filardo, Ralph J Damiano, Gorav Ailawadi, Vinod H Thourani, Benjamin D Pollock, Danielle M Sass, Teresa K Phan, Hoa Nguyen, Briget da Graca
OBJECTIVES: Postoperative atrial fibrillation (AF) following coronary artery bypass graft surgery (CABG) is significantly associated with reduced survival, but poor characterisation and inconsistent definitions present barriers to developing effective prophylaxis and management. We sought to address this knowledge gap. METHODS: From 2002 to 2010, 11 239 consecutive patients without AF underwent isolated CABG at five sites. Clinical data collected for the Society of Thoracic Surgeons (STS) Database were augmented with details on AF detected via continuous in-hospital ECG/telemetry monitoring to assess new-onset post-CABG AF (adjusted for STS risk of mortality); time to first AF; durations of first and longest AF episodes; total in-hospital time in AF; number of in-hospital AF episodes; operative mortality; stroke; discharge in AF; and length of stay (LOS)...
January 11, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29324640/heart-rate-variability-frequency-domain-alterations-among-healthy-nurses-exposed-to-prolonged-work-stress
#7
Rossana Borchini, Giovanni Veronesi, Matteo Bonzini, Francesco Gianfagna, Oriana Dashi, Marco Mario Ferrario
The deregulation of the autonomic nervous system assessed through the heart rate variability (HRV) analysis is a promising pathway linking work stress and cardiovascular diseases. We aim to investigate the associations between HRV High Frequency (HF) and Low Frequency (LF) powers and work stress in a sample of 36 healthy nurses. Perceived work stress was assessed twice one year apart, using the Job Content and Effort Reward Imbalance questionnaires. This allows to classify nurses in three exposure groups: "prolonged high stress" (PHS), "recent high stress" (RHS) and "stable low stress" (SLS)...
January 11, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29318850/-effect-of-moxibustion-preconditioning-with-seed-sized-moxa-cones-on-myocardial-infarction-size-and-beclin-1-expression-in-myocardial-ischemia-reperfusion-injury-rats
#8
Hua Bai, Sheng-Feng Lu, Wan-Ying Chen, Ze-Hao Zhong, Yi-Huang Gu
OBJECTIVE: To observe the effect of moxibustion (Moxi) preconditioning with seed-sized moxa cones on myocardial ischemia-reperfusion injury (MI/RI) at different stages, and to analyze the correlation between this effect and the expression of autophagy related protein Beclin 1. METHODS: This study contains two parts: 1) changes of myocardial pathological injury and percentages of myocardial infarcted area at different time-points after modeling and Moxi intervention, and 2) effect of Moxi on contents of serum cardiac troponin T(cTnT) and expression of myocardial Bcl-2, Bax and Beclin 1 proteins...
December 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29314105/ambulatory-diagnostic-ecg-monitoring-for-syncope-and-collapse-an-assessment-of-clinical-practice-in-the-united-states
#9
David G Benditt, Wayne O Adkisson, Richard Sutton, Robin K Mears, Scott Sakaguchi
INTRODUCTION: Diagnostic ambulatory ECG (AECG) monitoring is widely used for evaluating syncope and collapse, and practice guidelines provide recommendations regarding optimal AECG device selection. However, whether physicians utilize AECGs in accordance with the pertinent guidelines is unclear. This study assessed utilization of AECG monitoring systems for syncope and collapse diagnosis by physicians in the United States. METHODS AND RESULTS: A quantitative survey was undertaken of physicians comprising multiple specialties (Emergency Room, n = 35; Primary care, n = 35; Hospitalists, n = 30; Neurologists, n = 30; non-implanting, n = 34 and implanting-Cardiologists, n = 35)...
January 4, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29311442/usefulness-of-simultaneous-and-sequential-monitoring-of-glucose-level-and-electrocardiogram-in-monkeys-treated-with-gatifloxacin-under-conscious-and-nonrestricted-conditions
#10
Yu Yoshimatsu, Tomomichi Ishizaka, Katsuyoshi Chiba, Kazuhiko Mori
Drug-induced cardiac electrophysiological abnormalities accompanied by hypoglycemia or hyperglycemia increase the risk for life-threatening arrhythmia. To assess the drug-induced cardiotoxic potential associated with extraordinary blood glucose (GLU) levels, the effect of gatifloxacin (GFLX) which was frequently associated with GLU abnormality and QT/QTc prolongations in the clinic on blood GLU and electrocardiogram (ECG) parameters was investigated in cynomolgus monkeys (n=4) given GFLX orally in an ascending dose regimen (10, 30, 60 and 100 mg/kg)...
January 3, 2018: Experimental Animals
https://www.readbyqxmd.com/read/29305676/impact-of-3d-mapping-on-procedural-characteristics-and-outcomes-in-cryoballoon-pulmonary-vein-isolation-for-atrial-fibrillation
#11
Emily N Guhl, Evan Adelstein, Andrew Voigt, Norman C Wang, Samir Saba, Sandeep K Jain
PURPOSE: The use of 3D mapping during cryoballoon pulmonary vein isolation (PVI) is optional with added cost but potential benefit in aiding vein identification, reducing fluoroscopy, and post-ablation testing. Data are limited evaluating procedural characteristics and outcomes in patients undergoing cryoballoon PVI with mapping vs. no mapping. In the present study, we compare procedural characteristics and recurrence-free rates in patients undergoing cryoballoon PVI among patients using CARTO®, NavX™, or no mapping system...
January 5, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29302023/a-case-of-type-i-and-ii-brugada-phenocopy-unmasked-in-a-patient-with-normal-baseline-electrocardiogram-ecg
#12
Marie H Bernardo, Satish R Tiyyagura
BACKGROUND Brugada pattern on electrocardiogram (ECG) is seen when there are at least 2 mm J-point elevation and 1 mm ST-segment elevation in two or more of the right precordial leads, with right bundle-branch block (RBBB)-like morphology. Elevation of a coved-type shape in leads V1 and V2 is consistent with type I Brugada pattern, whereas elevation of a saddle-back configuration distinguishes type II Brugada. If accompanied by life-threatening arrhythmias or sudden cardiac death, Brugada syndrome (BrS) is diagnosed...
January 5, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29297193/advanced-and-traditional-electrocardiographic-risk-factors-in-pulmonary-arterial-hypertension-the-significance-of-ventricular-late-potentials
#13
Barbara Uznańska-Loch, Kamil Wikło, Ewa Trzos, Karina Wierzbowska-Drabik, Łukasz Chrzanowski, Jarosław Damian Kasprzak, Małgorzata Kurpesa
BACKGROUND: Whether non-invasive electrocardiographic parameters may be of similar relevance in pulmonary arterial hypertension (PAH) as in left ventricular heart failure (LVHF) remains unclear. AIM: To examine a profile of electrocardiographic parameters in PAH and to determine their prognostic significance. Comparison of profile in patients with pulmonary hypertension secondary to left ventricular dysfunction was planned to put PAH group results into context. METHODS: We included 41 patients with type 1...
January 3, 2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29291107/hearables-feasibility-of-recording-cardiac-rhythms-from-head-and-in-ear-locations
#14
Wilhelm von Rosenberg, Theerasak Chanwimalueang, Valentin Goverdovsky, Nicholas S Peters, Christos Papavassiliou, Danilo P Mandic
Mobile technologies for the recording of vital signs and neural signals are envisaged to underpin the operation of future health services. For practical purposes, unobtrusive devices are favoured, such as those embedded in a helmet or incorporated onto an earplug. However, these locations have so far been underexplored, as the comparably narrow neck impedes the propagation of vital signals from the torso to the head surface. To establish the principles behind electrocardiogram (ECG) recordings from head and ear locations, we first introduce a realistic three-dimensional biophysics model for the propagation of cardiac electric potentials to the head surface, which demonstrates the feasibility of head-ECG recordings...
November 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/29290739/impact-of-pharmacist-intervention-on-electrocardiogram-monitoring-of-pediatric-patients-on-multiple-qtc-interval-prolonging-medications
#15
Lisa M Hutchins, Joel D Temple, Elora Hilmas
OBJECTIVES: To determine whether dedicated pharmacy services improve the rate of electrocardiogram (ECG) monitoring in patients at risk for medication-induced QTc interval prolongation. In addition, determine how pediatric institutions currently monitor patients at risk for medication-induced QTc interval prolongation. METHODS: A pharmacist-driven monitoring protocol to detect medication-induced QTc interval prolongation was developed using published literature...
November 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/29284918/telemedicine-in-cardiology-perspectives-in-bosnia-and-herzegovina
#16
REVIEW
Nabil Naser, Salih Tandir, Edin Begic
Introduction: Aim of article was to present perspectives of telemedicine in the field of cardiology in Bosnia and Herzegovina. Material and methods: Article has descriptive character and present review of literature. Results: Information technology can have the application in the education of students, starting from basic medical sciences up to clinical subjects. Information technologies are used for ECG analysis, 24h ECG Holter monitoring, which detects different rhythm disorders...
December 2017: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/29283402/real-time-monitoring-and-analysis-of-zebrafish-electrocardiogram-with-anomaly-detection
#17
Michael Lenning, Joseph Fortunato, Tai Le, Isaac Clark, Ang Sherpa, Soyeon Yi, Peter Hofsteen, Geethapriya Thamilarasu, Jingchun Yang, Xiaolei Xu, Huy-Dung Han, Tzung K Hsiai, Hung Cao
Heart disease is the leading cause of mortality in the U.S. with approximately 610,000 people dying every year. Effective therapies for many cardiac diseases are lacking, largely due to an incomplete understanding of their genetic basis and underlying molecular mechanisms. Zebrafish (Danio rerio) are an excellent model system for studying heart disease as they enable a forward genetic approach to tackle this unmet medical need. In recent years, our team has been employing electrocardiogram (ECG) as an efficient tool to study the zebrafish heart along with conventional approaches, such as immunohistochemistry, DNA and protein analyses...
December 28, 2017: Sensors
https://www.readbyqxmd.com/read/29283067/safety-limits-of-antidepressant-use-plus-combinations-focus-on-cardiovascular-function
#18
Florindo Stella, Julia C Loureiro, Marcos V Pais, Paulo R Canineu, Orestes V Florenza
BACKGROUND: Antidepressants have been widely prescribed for depression, anxiety, sleep disorders, and in the management of behavioural symptoms of adult-old patients. Although generally safe, newer generation antidepressants are not devoid of the risk of inducing clinically relevant adverse events. OBJECTIVES: To investigate the association between newer generation antidepressants and the occurrence of cardiovascular adverse events and electrocardiogram (ECG) abnormalities...
December 27, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/29276907/-regulatory-adaptive-status-in-determining-the-effectiveness-of-bisoprololum-and-sotalolum-in-patients-with-hypertensive-disease-and-paroxysmal-supraventricular-tachycardia
#19
V G Tregubov, V M Pokrovsky, N M Nazhalkina
AIM: To determine efficacy of bisoprolol and sotalol treatments in patients with paroxysmal supraventricular tachycardia (SVT) and essential hypertension (EH) considering effects of these treatments on the regulatory adaptive status (RAS). MATERIALS AND METHODS: The study included 49 patients with paroxysmal SVT associated with stage II-III EH randomized to two groups of either bisoprolol (6.9±2.2 mg/day, n=25) or sotalol (162.5±46.2 mg/day, n=24) treatment. Lisinopril (14...
2017: Kardiologiia
https://www.readbyqxmd.com/read/29250298/smartphone-based-arrhythmia-detection-should-we-encourage-patients-to-use-the-ecg-in-their-pocket
#20
REVIEW
Ryan D White, Greg Flaker
The detection of atrial fibrillation (AF) is important for stroke prevention in patients with AF. This paper aimed to investigate the current landscape of smartphone-based arrhythmia detection and monitoring. The current technology can be divided into smartphone-based photoplethysmography (PPG) and smartphone-based single-lead electrocardiograms (ECGs). Our literature review concluded there are currently no validated PPG applications for the detection of arrhythmias available to the general population. However, an initial validation study indicates that the current development in Cardiio Rhythm PPG application, when made available, could provide an accurate and reliable means to detect AF in patients at risk of developing AF...
April 2017: Journal of Atrial Fibrillation
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