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 flutter.He underwent a cavotricuspid linear catheter Conditioners ablation.Eighteen days after the ablation, he suddenly died.A transmural ablation line was Handheld Vacuum Battery Charger created between the inferior vena cava 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.