In November last year I had a pacemaker fitted and after 5 weeks had a AV node ablation. I am in persistent AF but intolerant of drugs. Last week I was diagnosed with left sided heart failure. I wrote to my EP at Stoke as I was concerned he is going to see me in clinic at the end of February to discuss options. My pace and ablate was supposed to make my life better - it has not due to this heart failure. Has anyone out there had this reaction to an ablation as heart failure was not mentioned previously. I now take 20mg of Furosemide to cope with the breathlessness but have great difficulty with drugs. I do not know if the ablation caused the heart failure or it was already there and was not picked up. I suspect the latter. I am 74 years old.