it started for me one year ago with sever lower body pain , after 19 weeks a doctor checked my heart rate, and
diagnosed a/fib. as well as warfarin i take ( 125 digoxin +180slozem) the doctor wants me to increase the digoxin but i oass out when i take more,since starting the medication , i am short of breath, and tired, as i have sung for my
supper since very young i pride myself on my large chest and lung capacity. what is going wrong ?