Fibrillation in the superior vena cava mimicking atrial tachycardia.


A 49-year-old male was referred for catheter ablation for paroxysmal atrial fibrillation (PAF). PAF had recurred after each of 2 prior left atrial ablation procedures. He had a structurally normal heart with a left atrial diameter of 43 mm. The patient presented to the electrophysiology laboratory in AF with an average AF cycle length (CL) of 150 ms and… (More)
DOI: 10.1161/CIRCEP.108.833400


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