%0 Journal Article %T A case of biatrial tachycardia involving the intercaval bundle with assumed dual loop reentry. %A Fujita T %A Kawasaki M %A Yamada T %A Watanabe T %A Fukunami M %J J Arrhythm %V 40 %N 4 %D 2024 Aug %M 39139891 暂无%R 10.1002/joa3.13106 %X Epicardial connections provided the anatomical substrate for the biatrial reentry circuit. The connections between the right atrium and right pulmonary vein were called "intercaval bundle," and there are few reports of atrial flutter related to this bundle. We present a case of a biatrial tachycardia, involving the intercaval bundle.