Sir i have 55 ys of age 2month before i felt chest pain and i conselt one cardiologyst.and he gave some tablet in those tabulet one was metolar xr and now my hert rate will increse some time it will decrees agait met doctor at that time doctor told me u should fit place maker.so i  need valuable advice from you
It is a beta blocker and decreases heart rate UIT lowers the level of heart rate. Beta blocker are Chat Doctor.