Results 191 to 200 of about 25,214 (298)

Lesion Formation in Cardiac Pulsed‐Field Ablation: Acute to Chronic Cellular Level Changes

open access: yesPacing and Clinical Electrophysiology, EarlyView.
ABSTRACT As pulsed‐field ablation (PFA) emerges as a promising therapy for atrial arrhythmias, an understanding of the cellular injury to cardiac tissue is critical to evaluating and interpreting results for each PFA system. This review aims to detail the mechanism of cell death for PFA, compare the cell death mechanism to thermal ablation modalities ...
Kara Garrott   +3 more
wiley   +1 more source

Tissue Tracking Imaging for Identifying the Origin of Idiopathic Ventricular Arrhythmias: A New Role of Cardiac Ultrasound in Electrophysiology [PDF]

open access: yes, 2005
Several strategies for mapping ventricular outflow tract tachycardia have been reported as useful indices for differentiating between those originating from the right and the left side.
Francis, Johnson   +3 more
core   +2 more sources

Radiofrequency catheter ablation in patients with atrial fibrillation [PDF]

open access: yesArquivos Brasileiros de Cardiologia, 1999
Scanavacca, Mauricio   +8 more
openaire   +4 more sources

First Experience Using a Novel Variable Loop Catheter for Mapping and Pulsed Field Ablation of Atrial Fibrillation

open access: yesPacing and Clinical Electrophysiology, EarlyView.
ABSTRACT Background and Aims A novel multielectrode variable loop catheter (VLC) has been introduced for atrial fibrillation (AF) ablation enabling 3D electroanatomic mapping and concomitant pulsed field ablation (PFA). This study sought to investigate the VLC under routine clinical conditions for AF ablation.
Thomas Fink   +15 more
wiley   +1 more source

Permanent form of junctional reciprocating tachycardia and tachycardia-induced cardiomyopathy treated by catheter ablation: a case report

open access: yesThe Turkish Journal of Pediatrics, 2003
The permanent form of junctional reciprocating tachycardia (PJRT) is usually refractory to drug therapy, and these patients are at risk of developing tachycardia-induced cardiomyopathy. The electrocardiogram insribes inverted P waves in leads 2, 3,
Evren Semizel   +3 more
doaj  

Translating physiology of the arterial chemoreflex into novel therapeutic interventions targeting carotid bodies in cardiometabolic disorders

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend The carotid body develops aberrant high activity in chronic heart failure, resistant hypertension, obstructive sleep apnoea (OSA) and diabetes. Hyperactivity of the carotid body leads to both high tonicity and increased sensitivity of the arterial chemoreflex with resultant sympathoexcitation.
Tymoteusz Żera   +7 more
wiley   +1 more source

Catheter placement for radiofrequency ablation of anteroseptal accessory pathways

open access: bronze, 1991
Nicholas Twidale   +7 more
openalex   +1 more source

A data‐driven approach for improved quantification of in vivo metabolic conversion rates of hyperpolarized [1‐13C]pyruvate

open access: yesMagnetic Resonance in Medicine, Volume 93, Issue 6, Page 2346-2356, June 2025.
Abstract Purpose Accurate quantification of metabolism in hyperpolarized (HP) 13C MRI is essential for clinical applications. However, kinetic model parameters are often confounded by uncertainties in radiofrequency flip angles and other model parameters.
Yaewon Kim   +8 more
wiley   +1 more source

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