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. 2021 Jun 4;108(6):422–428. doi: 10.1136/heartjnl-2020-318081

Figure 2.

Figure 2

Overview of catheter ablation studies in patients with heart failure (HF). AF, atrial fibrillation; AT, atrial tachycardia; CAD, coronary artery disease; CFAE, complex fragmented atrial electrograms; LVEF, left ventricular ejection fraction; PVI, pulmonary vein isolation.