What drugs without a prescription will be effective for arrhythmias?

The attending physician sent me to a cardiologist and so I wrote the doctor cardiologist prescribed me drugs that do not help me .... Can you advise if on the arrhythmia I can take the drug Beto25 ZK because I used to take it or it helps for arrhythmia helps .... Please reply

To @elzbietabloch8@mail.com: Lack of satisfactory treatment effects should be reported to the attending physician, who on this basis may introduce modifications in the therapy. We do not have enough information about your treatment and health condition to help and clearly determine the appropriate pattern of conduct.

For a long time I have arrhythmias since March the cardiologist prescribed me concor cor 5 Rytmonorm 150 and nothing helps me And we already have May I even had a canceled surgery on the eyes, does it threaten arrhythmia, although I have jumping pressure once very high and immediately low I do not know what to do? Please reply Elżbieta