Is the Dominant Frequency Accurate Enough for Atrial Fibrillation Signals ?
نویسندگان
چکیده
منابع مشابه
Review of Dominant Frequency Analysis in Atrial Fibrillation.
Significant advancements have been made in the technology and approach to catheter ablation of atrial fibrillation (AF). Pulmonary vein isolation has emerged as the dominant strategy in this procedure and has fueled innovations in catheter design as well as various mapping and navigation systems. Mapping and targeting of complex fractionated atrial electrograms has also emerged as an additional...
متن کاملSeveral insights into the preprocessing of electrograms in atrial fibrillation for dominant frequency analysis
BACKGROUND Dominant frequency (DF) analysis of atrial electrograms has become an important method in characterizing atrial fibrillation (AF). As a classic method, Botteron's approach is widely used in the preprocessing of frequency analysis during AF. It includes three steps: (1) band-pass filtering at 40-250 Hz, (2) absolute value, and (3) low-pass filtering at 20 Hz. This paper aims to expoun...
متن کاملEfficacy of atrial substrate modification based on dominant frequency of paroxysmal atrial fibrillation
BACKGROUND The endpoint of ablation procedures is suggested to be non-inducibility of paroxysmal atrial fibrillation (PAF). However, the prognosis of induced AF/atrial tachycardia (AT) after pulmonary vein isolation (PVI) in PAF patients remains unclear. METHODS A total of 122 PAF patients were divided into the following 3 groups: Group 1, 79 without AF/AT induced after PVI; Group 2, 21 with ...
متن کاملEffect of adenosine triphosphate on left atrial electrogram interval and dominant frequency in human atrial fibrillation.
BACKGROUND Complex fractionated atrial electrograms (CFAEs) and high dominant frequency (DF) are targets for atrial fibrillation (AF) ablation. Although adenosine triphosphate (ATP) is known to promote AF by shortening the atrial refractory period, its role in the pathogenesis of CFAEs and DF during AF is not fully understood. METHODS We recorded electrical activity from a 64-electrode basket...
متن کاملLetter by Berenfeld and Jalife regarding article "dominant frequency of atrial fibrillation correlates poorly with atrial fibrillation cycle length".
BACKGROUND Localized sites of high frequency during atrial fibrillation (AF) are used as target sites to eliminate AF. Spectral analysis is used experimentally to determine these sites. The purpose of this study was to compare dominant frequencies (DF) with AF cycle length (AFCL) of unipolar and bipolar recordings. METHODS AND RESULTS Left and right atrial endocardial electrograms were record...
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ژورنال
عنوان ژورنال: Computing in Cardiology (CinC), 2012
سال: 2022
ISSN: ['2325-8861', '2325-887X']
DOI: https://doi.org/10.22489/cinc.2022.418