Objective To evaluate the effect of Zhigancao decoction on reversal of right atrial myocardial fibrosis after rapid atrial pacing (RAP)-induced atrial fibrillation (AF). Methods New Zealand white rabbits were randomly divided into four groups: sham operation group (Group A: implanted electrodes. no RAP). pacing group (Group B: RAP-induced AF). https://shopredoners.shop/product-category/bama-tank/