Unipolar electrogram-based voltage mapping with far-field cancellation to improve detection of abnormal atrial substrate during atrial fibrillation.
Don RagotSachin NayyarSophia Z MassinAndrew C T HaSheldon M SinghChristopher LabosAdrian M SuszkoRupin DalviVijay S ChauhanPublished in: Journal of cardiovascular electrophysiology (2021)
Far-field EGM can be reliably removed from uni-orig using our novel, least-squares algorithm. Compared with Bi and uni-orig, uni-res is more accurate in detecting low-voltage regions during AF. This approach may improve substrate mapping and ablation during AF, and merits further study.
Keyphrases
- atrial fibrillation
- catheter ablation
- high resolution
- left atrial
- oral anticoagulants
- left atrial appendage
- direct oral anticoagulants
- heart failure
- machine learning
- percutaneous coronary intervention
- deep learning
- amino acid
- radiofrequency ablation
- structural basis
- acute coronary syndrome
- mass spectrometry
- label free
- quantum dots
- coronary artery disease
- venous thromboembolism