Pathological Findings of Cavotricuspid Isthmus Tissue Eighteen Days after Radiofrequency Catheter Ablation for Typical Atrial Flutter

Pathological Findings of Cavotricuspid Isthmus Tissue Eighteen Days after Radiofrequency Catheter Ablation for Typical Atrial Flutter

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A 75-year-old man with a prior myocardial infarction, who underwent a coronary artery bypass graft, suffered from typical atrial Cardamon flutter.He underwent a cavotricuspid linear catheter ablation.Eighteen days after the ablation, he suddenly died.

A transmural ablation line was created between the inferior vena cava ECINACEA LOZ and tricuspid annulus.Transmural loss of the cardiomyocytes and small clusters of coagulative necrosis were observed.Evidence of edema and a patchy hemorrage remained in the extracellular space.