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Electrical Substrate Ablation for Refractory Ventricular Fibrillation: Results of the AVATAR Study

David E Krummen1,2, Gordon Ho1,2, Kurt S Hoffmayer1,2

  • 1University of California, San Diego (D.E.K., G.H., K.S.H., F.N.S., F.T.H., J.C.H., W.-J.R.).

Circulation. Arrhythmia and Electrophysiology
|February 8, 2021
PubMed
Abstract

Keywords:
cardiomyopathiescatheter ablationfollow-up studiesrotationventricular fibrillation

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Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
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