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Emma L Veale, Adrian J Stewart, Alistair Mathie, Satvinder K Lall, Melanie Rees-Roberts, Vilius Savickas, Sukvinder K Bhamra, Sarah A Corlett
INTRODUCTION: Atrial fibrillation (AF) affects >6% of people aged 65 years or older. Left undetected and untreated, patients may develop significant cardiovascular complications and have a fivefold increased risk of suffering a stroke. For 40% of all sufferers, AF can be asymptomatic. Every year in the UK, £2.2 billion is spent on AF-related strokes, so there is an urgent need to improve early detection of AF. This study aims to determine the feasibility of using trained clinical pharmacists based in general practices, to screen for AF, using pulse palpation and a single-lead ECG device on participants aged 65 years or older, attending influenza vaccination clinics...
March 14, 2018: BMJ Open
Jared W Magnani, Courtney L Schlusser, Everlyne Kimani, Bruce L Rollman, Michael K Paasche-Orlow, Timothy W Bickmore
Background: Atrial fibrillation (AF) is a highly prevalent heart rhythm condition that has significant associated morbidity and requires chronic treatment. Mobile health (mHealth) technologies have the potential to enhance multiple aspects of AF care, including education, monitoring of symptoms, and encouraging and tracking medication adherence. We have previously implemented and tested relational agents to improve outcomes in chronic disease and sought to develop a smartphone-based relational agent for improving patient-centered outcomes in AF...
July 2017: JMIR Cardio
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
William George Newham, Muzahir Hassan Tayebjee
Background: Definitive diagnosis of arrhythmia relies on "symptom-rhythm correlation" when electrocardiographic (ECG) evidence of the patient's cardiac rhythm is obtained at the time of symptoms. The AliveCor smartphone App and device (AliveCor Inc, California, USA) has recently been introduced as an easy to use cardiac event recorder. The aim of this study was to investigate whether the smartphone based event recorder could be effectively used to achieve symptom rhythm correlation in unselected patients with palpitations...
June 2017: Journal of Atrial Fibrillation
Kathleen T Hickey
PURPOSE: The purpose of this article is to provide an overview of strategies to build and sustain a career as a nurse scientist. This article examines how to integrate technologies and precision approaches into clinical practice, research, and education of the next generation of nursing scholars. DESIGN: This article presents information for shaping a sustainable transdisciplinary career. Programs of research that utilize self-management to improve quality of life are discussed throughout the article...
January 2018: Journal of Nursing Scholarship
Ariana Tabing, Travis Edward Harrell, Steven Romero, Gregory Francisco
Diagnosis of paroxysmal supraventricular tachycardia (PSVT) may be difficult due to its episodic nature, which can be brief and self-limited, limiting the ability for clinicians to diagnose the specific rhythm disorder in a timely manner. We present a case of PSVT, which was unable to be diagnosed through typical evaluation with an event monitor despite several years of symptoms. The patient was ultimately diagnosed using the AliveCor Mobile ECG, a smartphone-based ECG device and application, which he purchased himself and captured a typical atrioventricular node re-entrant tachycardia...
September 11, 2017: BMJ Case Reports
Hans T Tu, Ziyuan Chen, Corey Swift, Leonid Churilov, Ruibing Guo, Xinfeng Liu, Jim Jannes, Vincent Mok, Ben Freedman, Stephen M Davis, Bernard Yan
Rationale Paroxysmal atrial fibrillation is a common and preventable cause of devastating strokes. However, currently available monitoring methods, including Holter monitoring, cardiac telemetry and event loop recorders, have drawbacks that restrict their application in the general stroke population. AliveCor™ heart monitor, a novel device that embeds miniaturized electrocardiography (ECG) in a smartphone case coupled with an application to record and diagnose the ECG, has recently been shown to provide an accurate and sensitive single lead ECG diagnosis of atrial fibrillation...
October 2017: International Journal of Stroke: Official Journal of the International Stroke Society
Albert L Waldo, A John Camm
The article by Halcox et al describes the REHEARSE-AF study (Assessment of Remote Heart Rhythm Sampling Using the AliveCor Heart Monitor to Screen for Atrial Fibrillation), a randomized trial of screening for atrial fibrillation (AF) with a smartphone-based single-lead electrocardiographic capture system in 1001 patients ≥65 years of age with a CHA2DS2-VASc score of ≥ 2 and without a history of AF. Patients were randomized either to biweekly electrocardiographic recordings with the iPhone device (iECG group; n=500) or to routine care (control group; n=501) over a 12-month period...
August 28, 2017: Circulation
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)...
November 7, 2017: Circulation
Roderick W Treskes, Willem Gielen, Marieke J Wermer, Robert W Grauss, Anouk P van Alem, Reza Alizadeh Dehnavi, Charles J Kirchhof, Enno T van der Velde, Arie C Maan, Ron Wolterbeek, Onno M Overbeek, Martin J Schalij, Serge A Trines
BACKGROUND: Recently published randomised clinical trials indicate that prolonged electrocardiom (ECG) monitoring might enhance the detection of paroxysmal atrial fibrillation (AF) in cryptogenic stroke or transient ischaemic attack (TIA) patients. A device that might be suitable for prolonged ECG monitoring is a smartphone-compatible ECG device (Kardia Mobile, Alivecor, San Francisco, CA, USA) that allows the patient to record a single-lead ECG without the presence of trained health care staff...
August 29, 2017: Trials
Thijs Vandenberk, Jelle Stans, Gertjan Van Schelvergem, Caroline Pelckmans, Christophe Jp Smeets, Dorien Lanssens, Hélène De Cannière, Valerie Storms, Inge M Thijs, Pieter M Vandervoort
BACKGROUND: Photoplethysmography (PPG) is a proven way to measure heart rate (HR). This technology is already available in smartphones, which allows measuring HR only by using the smartphone. Given the widespread availability of smartphones, this creates a scalable way to enable mobile HR monitoring. An essential precondition is that these technologies are as reliable and accurate as the current clinical (gold) standards. At this moment, there is no consensus on a gold standard method for the validation of HR apps...
August 25, 2017: JMIR MHealth and UHealth
Grahame F Evans, Arianna Shirk, Peter Muturi, Elsayed Z Soliman
BACKGROUND: Screening for atrial fibrillation (AF), a major risk factor for stroke that is on the rise in Africa, is becoming increasingly critical. OBJECTIVES: This study sought to examine the feasibility of using mobile electrocardiogram (ECG) recording technology to detect AF. METHODS: In this prospective observational study, we used a mobile ECG recorder to screen 50 African adults (66% women; mean age 54.3 ± 20.5 years) attending Kijabe Hospital (Kijabe, Kenya)...
December 2017: Global Heart
Mark Lown, Arthur Yue, George Lewith, Paul Little, Mike Moore
INTRODUCTION: Atrial fibrillation (AF) is a cause of stroke and a marker of atherosclerosis and of all patients with stroke, around 17% have AF. The screening and treatment of AF could prevent about 12% of all strokes. Several relatively low-cost devices with good accuracy now exist which can detect AF including WatchBP and AliveCor. However, they can only measure the ECG or pulse over short time periods. Inexpensive devices such as heart rate monitors, which are widely available, can measure heart rate for prolonged periods and may have potential in screening for AF...
January 13, 2017: BMJ Open
Paul Garabelli, Stavros Stavrakis, Sunny Po
The use of smartphones for arrhythmia monitoring is another leap for ECG utilization and arrhythmia detection - effectively taking the technology to any smartphone user. Smart wearable technology, while very common, is limited mostly to activity tracking and exercise motivation. Rhythm strip generating smartphone products (Kardia Mobile by AliveCor and ECG Check by Cardiac Designs) are more powerful at arrhythmia detection than wearable monitors. These products, which have been studied in a variety of situations, rely on an external device with metal sensors to create a rhythm strip, which is usually Lead I...
January 2017: Current Opinion in Cardiology
Apurv Soni, Allison Earon, Anna Handorf, Nisha Fahey, Kandarp Talati, John Bostrom, Ki Chon, Craig Napolitano, Michael Chin, John Sullivan, Shyamsundar Raithatha, Robert Goldberg, Somashekhar Nimbalkar, Jeroan Allison, Sunil Thanvi, David McManus
BACKGROUND: Atrial fibrillation, the world's most common arrhythmia, is a leading risk factor for stroke, a disease striking nearly 1.6 million Indians annually. Early detection and management of atrial fibrillation is a promising opportunity to prevent stroke but widespread screening programs in limited resource settings using conventional methods is difficult and costly. OBJECTIVE: The objective of this study is to screen people for atrial fibrillation in rural western India using a US Food and Drug Administration-approved single-lead electrocardiography device, Alivecor...
October 13, 2016: JMIR Public Health and Surveillance
Pak-Hei Chan, Chun-Ka Wong, Yukkee C Poh, Louise Pun, Wangie Wan-Chiu Leung, Yu-Fai Wong, Michelle Man-Ying Wong, Ming-Zher Poh, Daniel Wai-Sing Chu, Chung-Wah Siu
BACKGROUND: Diagnosing atrial fibrillation (AF) before ischemic stroke occurs is a priority for stroke prevention in AF. Smartphone camera-based photoplethysmographic (PPG) pulse waveform measurement discriminates between different heart rhythms, but its ability to diagnose AF in real-world situations has not been adequately investigated. We sought to assess the diagnostic performance of a standalone smartphone PPG application, Cardiio Rhythm, for AF screening in primary care setting...
July 2016: Journal of the American Heart Association
Kathleen T Hickey, Nicole R Hauser, Laura E Valente, Teresa C Riga, Ashton P Frulla, Ruth Masterson Creber, William Whang, Hasan Garan, Haomiao Jia, Robert R Sciacca, Daniel Y Wang
BACKGROUND: Atrial fibrillation is a major public health problem and is the most common cardiac arrhythmia, affecting an estimated 2.7 million Americans. The true prevalence of atrial fibrillation is likely underestimated because episodes are often sporadic; therefore, it is challenging to detect and record an occurrence in a "real world" setting. To date, mobile health tools that promote earlier detection and treatment of atrial fibrillation and improvement in self-management behaviors and knowledge have not been evaluated...
July 16, 2016: BMC Cardiovascular Disorders
Lien Desteghe, Zina Raymaekers, Mark Lutin, Johan Vijgen, Dagmara Dilling-Boer, Pieter Koopman, Joris Schurmans, Philippe Vanduynhoven, Paul Dendale, Hein Heidbuchel
AIMS: To determine the usability, accuracy, and cost-effectiveness of two handheld single-lead electrocardiogram (ECG) devices for atrial fibrillation (AF) screening in a hospital population with an increased risk for AF. METHODS AND RESULTS: Hospitalized patients (n = 445) at cardiological or geriatric wards were screened for AF by two handheld ECG devices (MyDiagnostick and AliveCor). The performance of the automated algorithm of each device was evaluated against a full 12-lead or 6-lead ECG recording...
January 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Cinnamon S Bloss, Nathan E Wineinger, Melissa Peters, Debra L Boeldt, Lauren Ariniello, Ju Young Kim, Judith Sheard, Ravi Komatireddy, Paddy Barrett, Eric J Topol
Background. Mobile health and digital medicine technologies are becoming increasingly used by individuals with common, chronic diseases to monitor their health. Numerous devices, sensors, and apps are available to patients and consumers-some of which have been shown to lead to improved health management and health outcomes. However, no randomized controlled trials have been conducted which examine health care costs, and most have failed to provide study participants with a truly comprehensive monitoring system...
2016: PeerJ
Hoang H Nguyen, George F Van Hare, Michael Rudokas, Tammy Bowman, Jennifer N A Silva
OBJECTIVES: Smartphone-enabled ECG devices have the potential to improve patient care by enabling remote ECG assessment of patients with potential and diagnosed arrhythmias. This prospective study aimed to assess the usefulness of pediatric ECG tracings generated by the AliveCor device (Oklahoma City, OK) and to assess user satisfaction. STUDY DESIGN: Enrolled pediatric patients with documented paroxysmal arrhythmia used the AliveCor device over a yearlong study period...
2015: PloS One
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