Cavo-tricuspid isthmus

Last updated October 08, 2025

The cavo-tricuspid isthmus is a body of fibrous tissue in the lower right atrium between the inferior vena cava, and the tricuspid valve.^[1] It is a target for ablation for treating atrial flutter.

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References

↑ Klimek-Piotrowska, Wiesława; Hołda, Mateusz K.; Koziej, Mateusz; Hołda, Jakub; Piątek, Katarzyna; Tyrak, Kamil; Bolechała, Filip (2016). "Clinical Anatomy of the Cavotricuspid Isthmus and Terminal Crest". PLOS ONE. 11 (9) e0163383. Bibcode:2016PLoSO..1163383K. doi: 10.1371/journal.pone.0163383 . ISSN 1932-6203. PMC 5040420 . PMID 27682030.

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[1] Klimek-Piotrowska, Wiesława; Hołda, Mateusz K.; Koziej, Mateusz; Hołda, Jakub; Piątek, Katarzyna; Tyrak, Kamil; Bolechała, Filip (2016). "Clinical Anatomy of the Cavotricuspid Isthmus and Terminal Crest". PLOS ONE. 11 (9) e0163383. Bibcode:2016PLoSO..1163383K. doi: 10.1371/journal.pone.0163383 . ISSN 1932-6203. PMC 5040420 . PMID 27682030.

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