my mom 82 yrs old, had Atrial septal defect (ASD), 7 months ago got Arrhythmia(irregular heartbeat) went hospital imergency room, then take Rythmol 300-450mg/day, now she is very weak and has anxiety, and also the dr recommended take Bisoprolol, we are not sure wich one is better for her, if Rythmol can take constantly, she is also take eliquis ,bucause this cause her blood pressue going high(150/90)