Results 51 to 60 of about 97,581 (248)

Atrial Imaging and Cardiac Rhythm in Cryptogenic Embolic Stroke: The ARIES Study

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Background Unknown cardioembolic sources are frequent causes of cryptogenic stroke. We analyzed the risk of atrial fibrillation (AF) or high burden of ectopic atrial activity (HBEA) in patients with cryptogenic stroke, assessing atrial function and 1 ...
Ricardo Rigual   +15 more
doaj   +1 more source

Analysis of the success rate of conversion using ibutilide administration in radiofrequency catheter ablation of persistent atrial fibrillation and its effects on postoperative recurrence

open access: yesBMC Cardiovascular Disorders
Objective To assess the efficacy of ibutilide administration during radiofrequency catheter ablation of persistent atrial fibrillation (AF), to explore the success rate of conversion and related influential factors, and to analyze the effects of ...
Meijuan Li   +6 more
doaj   +1 more source

Assessing Cardiac Sympatho-Vagal Balance Through Wavelet Transform Analysis of Heart Rate Variability

open access: yesApplied Sciences
Heart rate variability (HRV), which is the variation between consecutive heartbeats, reflects the electrical activity of the heart and provides insight into the autonomic nervous system (ANS) function.
A.M. Nelushi   +3 more
doaj   +1 more source

Acupuncture Treatment of a Patient with Bradycardia and Idioventricular Rhythm

open access: yesJournal of Acupuncture & Meridian Studies, 2022
A patient with bradycardia and an idioventricular rhythm was observed. According to cardiologists, there is no reliable drug treatment for bradycardia with an idioventricular rhythm; instead, the sole treatment is a pacemaker. In the course of this case,
Oksana Strakhova, Alexey Ryzhov
doaj   +1 more source

Electrocardiography in horses, part 2: how to read the equine ECG [PDF]

open access: yes, 2010
The equine practitioner is faced with a wide variety of dysrhythmias, of which some are physiological. The recording of an exercise electrocardiogram (ECG) can help distinguish between physiological and pathological dysrhythmias, underlining the ...
De Clercq, Dominique   +5 more
core  

Resistance to thyroid hormone accompanied by atrial fibrillation

open access: yesEndocrinology, Diabetes & Metabolism Case Reports, 2018
Resistance to thyroid hormone (RTH), which is primarily caused by mutations in the thyroid hormone (TH) receptor beta (THRB) gene, is dominantly inherited syndrome of variable tissue hyposensitivity to TH.
Haruhiro Sato, Yuichiro Tomita
doaj   +1 more source

Nonlinear Characteristics of Electrocardiograph Signals Based on Fractal [PDF]

open access: yesXibei Gongye Daxue Xuebao, 2018
In view of the nonlinear properties of Electrocardiograph (ECG) signal, the application of fractal methods from nonlinear system theory for the analysis of ECG signals has gained increasing interest.In this study, analysis of the objects are ECG signals ...

doaj   +1 more source

Inherited and Acquired Rhythm Disturbances in Sick Sinus Syndrome, Brugada Syndrome, and Atrial Fibrillation: Lessons from Preclinical Modeling

open access: yesCells, 2021
Rhythm disturbances are life-threatening cardiovascular diseases, accounting for many deaths annually worldwide. Abnormal electrical activity might arise in a structurally normal heart in response to specific triggers or as a consequence of cardiac ...
Laura Iop   +3 more
doaj   +1 more source

Sources of Measurement Error in an ECG Examination: Implications for Performance-Based Assessments [PDF]

open access: yes, 2004
Objective: To assess the sources of measurement error in an electrocardiogram (ECG) interpretation examination given in a third-year internal medicine clerkship. Design: Three successive generalizability studies were conducted.
Frerenchick, Gary, Solomon, David J
core   +1 more source

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