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Thanks all. Been ok for a couple of weeks, beats going to A & E every week for an adenosine injection. Cardiologist fitted pacemaker first to try and stop it, said he was hopeful but it could still go into SVT and I would have to go to A&E. Keeping fingers crossed and if everything goes ok will ask when I see him in 3 weeks. Sleeping better, every episode happened in the middle of night when I was resting, odd! Will keep you posted and thanks again. June