Results 131 to 140 of about 563,439 (366)

Computerized electrocardiogram data transformation enables effective algorithmic differentiation of wide QRS complex tachycardias

open access: yesAnnals of Noninvasive Electrocardiology, Volume 28, Issue 1, January 2023., 2023
Accurate automatic wide QRS complex tachycardia (WCT) differentiation may be accomplished through the use of novel parameters derived from computerized data of the (i) WCT electrocardiogram (ECG) alone and (ii) paired WCT and baseline ECGs. Once automated WCT differentiation models are integrated into commercially available computerized ECG ...
Anthony H. Kashou   +16 more
wiley   +1 more source

Chronotropic incompetence predicts impaired response to exercise training in heart failure patients with sinus rhythm

open access: yesEuropean Journal of Preventive Cardiology, 2013
Background: In most patients with chronic heart failure (CHF), endurance training improves exercise capacity. However, some patients do not respond favourably.
J. Schmid, M. Żurek, H. Saner
semanticscholar   +1 more source

H2FPEF and HFA‐PEFF scores for heart failure risk stratification in hypertrophic cardiomyopathy patients

open access: yesESC Heart Failure, EarlyView.
Abstract Aims H2FPEF and HFA‐PEFF scores have demonstrated prognostic value in heart failure (HF) with preserved ejection fraction. This study aimed to explore the value of the H2FPEF and HFA‐PEFF scores for HF risk stratification in patients with hypertrophic cardiomyopathy (HCM).
Yi‐Peng Gao   +10 more
wiley   +1 more source

Confirm Rx insertable cardiac monitor for primary atrial fibrillation detection in high‐risk heart failure patients (Confirm‐AF trial)

open access: yesAnnals of Noninvasive Electrocardiology, Volume 28, Issue 1, January 2023., 2023
Confirm‐AF is a prospective randomized, nonblinded, two arm, multicenter clinical trial, which will enroll 477 patients with a history of HF hospitalization and left ventricular ejection fraction >35% from 30 medical sites. Patients will be randomized in a 2:1 fashion to receive an implantable cardiac monitor (ICM) with remote monitoring and symptom ...
Mehmet K. Aktas   +12 more
wiley   +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

Multifractal analysis of normal RR heart-interbeat signals in power spectra ranges [PDF]

open access: yesarXiv, 2007
Power spectral density is an accepted measure of heart rate variability. Two estimators of multifractal properties: Wavelet Transform Modulus Maxima and Multifractal Detrended Fluctuation Analysis are used to investigate multifractal properties for the three strongly physiologically grounded components of power spectra: low frequency (LF), very low ...
arxiv  

Spontaneous Pothole Cardioversion of a Wide Complex Tachycardia

open access: yesJACC: Case Reports, 2020
External mechanical forces, if properly timed and of sufficient energy, have rarely been reported to convert tachyarrhythmias to sinus rhythm. We report a case of a patient with a wide-complex tachycardia that spontaneously converted to sinus rhythm ...
Wilbur K. Freeman, DO, MBA   +2 more
doaj  

Remission of congenital complete heart block without anti-Ro/La antibodies: A case report

open access: yesAnnals of Pediatric Cardiology, 2013
Anti-Ro/La negative congenital heart block (CHB) is uncommon. We report one such case of CHB, with no associated structural heart disease or maternal autoantibodies.
Souvik Mitra   +3 more
doaj   +1 more source

A Deep Learning Method for Beat-Level Risk Analysis and Interpretation of Atrial Fibrillation Patients during Sinus Rhythm [PDF]

open access: yesarXiv
Atrial Fibrillation (AF) is a common cardiac arrhythmia. Many AF patients experience complications such as stroke and other cardiovascular issues. Early detection of AF is crucial. Existing algorithms can only distinguish ``AF rhythm in AF patients'' from ``sinus rhythm in normal individuals'' .
arxiv  

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