The electrocardiogram (ECG) is a well-established diagnostic tool extensively used in clinical settings. Knowledge of cardiac rhythm and mastery of cardiac waveform interpretation are fundamental for intensive care nurses. Recognition of the normal findings for the 12-lead ECG and understanding the significance of changes from baseline in continuous cardiac monitoring are essential steps toward ensuring safe patient care. This article highlights historical developments in electrocardiography, describes the normal resting 12-lead ECG, and discusses the need for continuous cardiac monitoring. In addition, future directions for the ECG are explored briefly.
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http://dx.doi.org/10.1016/j.cnc.2016.04.002 | DOI Listing |
Sports (Basel)
January 2025
Exercise and Sport Sciences Department, Metropolitan State University of Denver, Denver, CO 80204, USA.
Background: High-intensity endurance training induces specific cardiac adaptations, often observed through electrocardiographic (ECG) changes. This study investigated the prevalence of ECG abnormalities in national-level Australian triathletes compared to sedentary controls.
Methods: A cross-sectional observational study was conducted involving 22 triathletes and 7 sedentary controls.
Int J Cardiol Cardiovasc Risk Prev
March 2025
Division of Cardiology, Department of Internal Medicine, Showa University Fujigaoka Hospital, Yokohama, Japan.
Background: Long-term exercise training induces various morphological adaptations in the heart. Although concentric left ventricular (LV) geometry is occasionally observed in young athletes, its clinical significance is unclear. This study aimed to investigate the characteristics of young rugby athletes with concentric LV geometry and considered its clinical implications.
View Article and Find Full Text PDFExpert Rev Med Devices
January 2025
Faculty of Medicine and Health, The University of Sydney, Sydney, Australia.
Background: Smartphone electrocardiograms (iECGs) are an innovative method of capturing transient arrhythmias that are occasionally experienced by athletes. This study aimed to assess the accuracy of a 6-lead iECG compared with 12-lead ECG in athletes and those with known genetic heart disease (positive controls).
Research Design And Methods: Each participant had a resting 12-lead ECG (supine) and a 30 s 6-lead iECG (seated) taken within 2 h.
Introduction: Silent myocardial ischemia (SMI) is a significant concern for diabetic patients, often remaining undetected until severe complications arise. Prolonged hyperglycemia, poor glycemic control, and lifestyle factors contribute to its risk, with older adults and those with long-standing diabetes particularly vulnerable.
Objective: To assess the prevalence and predictors of SMI in adults with diabetes, emphasizing long-term management and monitoring.
JAMA Netw Open
October 2024
Cardiovascular Health Research Unit, University of Washington, Seattle.
Importance: Resting heart rate (RHR) is a widely available measure of cardiovascular fitness that has been associated with several cardiovascular outcomes. RHR has previously been associated with the risk of atrial fibrillation (AF) among individuals of European ancestry, but little is known about this association in Black adults.
Objective: To evaluate the association between RHR and incident AF in a large community-based sample of Black adults, independently of established risk factors.
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