but the irregular hearbeat has been getting worse. I have had 4 episodes in 8 days ranging from 8 to 17hours. The Doctor is putting me on Dronedranone 400mg twice a day, and taking me off Flecainide and Bisoprolol. I have not yet got the tablets but reading about them has me a bit scared. I can only get the tablets from the hospital as it is a specialised drug (2nd line) and it requires close monitoring. Does anyone have any experience of taking this drug and how that got on with them?. Many thanks in advance.