Results 31 to 40 of about 307,662 (147)

Presence of Fragmented QRS Complexes in Patients with Obstructive Sleep Apnea Syndrome

open access: yesChinese Medical Journal, 2015
Background: Obstructive sleep apnea syndrome (OSAS) is a disease with increasing prevalence, which is mainly characterized by increased cardiopulmonary mortality and morbidity.
Muhammet Rasit Sayin   +8 more
doaj   +1 more source

Electrocardiographic Fragmented Activity (I): Physiological Meaning of Multivariate Signal Decompositions

open access: yesApplied Sciences, 2019
Recent research has proven the existence of statistical relation among fragmented QRS and several highly prevalence diseases, such as cardiac sarcoidosis, acute coronary syndrome, arrythmogenic cardiomyopathies, Brugada syndrome, and hypertrophic ...
Francisco-Manuel Melgarejo-Meseguer   +6 more
doaj   +1 more source

THE ASSOCIATION OF RISK FACTORS FOR ATHEROSCLEROSIS AND POLYMORPHISM OF THE ADRB1 GENE WITH PRO-ARRHYTHMIC ELECTROCARDIOGRAPHIC PATTERNS IN THE GENERAL POPULATION OF NOVOSIBIRSK

open access: yesАтеросклероз, 2018
The dangerous electrophysiological shifts in the myocardium, with the exception of rare congenital canalopathies, are overwhelmingly secondary, being a consequence of various pathological conditions.
A. A. Kuznetsov   +6 more
doaj   +1 more source

Incorporating structural abnormalities in equivalent dipole layer based ECG simulations

open access: yesFrontiers in Physiology, 2022
Introduction: Electrical activity of the myocardium is recorded with the 12-lead ECG. ECG simulations can improve our understanding of the relation between abnormal ventricular activation in diseased myocardium and body surface potentials (BSP). However,
Machteld J Boonstra   +9 more
doaj   +1 more source

QRS complex fragmentation and survival following left ventricular assist device implantation

open access: yesInternational Journal of Cardiology: Heart & Vasculature, 2015
Background: In patients with heart disease, the presence of a fragmented QRS complex (fQRS) on the surface electrocardiogram (ECG) is associated with an increased risk of mortality.
Isac C. Thomas   +5 more
doaj   +1 more source

Wearable Morphology‐Adaptive in‐Ear Device With Active Cleansing Capability for Multimodal Health Monitoring

open access: yesAdvanced Materials, EarlyView.
We present SCIENCE, an in‐ear multimodal physiological monitor featuring two key innovations. Water‐triggered morphological expansion (a 2‐mm cylinder to a 9‐mm spindle) achieves conformal adaptation across complex canal geometries. Simultaneously, active biofouling mitigation disrupts cerumen barriers, reducing sensor‐skin impedance by 20%.
Shuyun Zhuo   +3 more
wiley   +1 more source

Corporate Dynamic Eco‐Innovation Capability and Carbon Emission Reduction: Evidence From African Listed Firms With the Role of Institutional Pressures

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Despite the global emphasis on simultaneous achievement of higher growth and lower pollution (green growth), the dynamic link between eco‐innovation and CO2 emissions remains inadequately understood globally and specifically in Africa, with a complex and diverse institutional and regulatory landscape.
Idorenyin J. Okon   +2 more
wiley   +1 more source

The relation between QRS complex fragmentation and segmental abnormalities of the myocardial contractility in patients with coronary artery disease

open access: yesIndian Heart Journal, 2021
Background: Fragmented QRS (fQRS) is defined as any QRS complex with duration of less than 120 ms (ms) and at least one notch in the R or S wave in two or more leads belonging to the same coronary territory.
Judith María Torales   +11 more
doaj   +1 more source

Methodological Pathways for Circular Economy in Energy and Environmental Studies: A Structured Review Toward Sustainable Development

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT The circular economy (CE) has become a major focus in energy and environmental (E&E) research, as it helps advance sustainable development, improve resource efficiency and alleviate environmental pressure. Even so, the literature is still fragmented, particularly in the CE themes it explores, the levels of analysis it adopts and the methods ...
Jahira Debbarma   +2 more
wiley   +1 more source

Analysis of the High-Frequency Content in Human QRS Complexes by the Continuous Wavelet Transform: An Automatized Analysis for the Prediction of Sudden Cardiac Death

open access: yesSensors, 2018
Background: Fragmentation and delayed potentials in the QRS signal of patients have been postulated as risk markers for Sudden Cardiac Death (SCD). The analysis of the high-frequency spectral content may be useful for quantification.
Daniel García Iglesias   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy