Female 62yrs had chest pain in May 2014 & hospital said one off atrial fib but did not have increased heart rate All tests - echogram & ct clear and told no heart disease but original 1.25 bisoprolol increased to 3.75 as still aches in chest which Dr said not due to heart Told to stop aspirin which seemed to result in indigestion and burn in throat Given Omeprazole for 2 weeks now trying to reduce by half then half again to avoid it coming back if just stop Just had flutter in throat is this the atrial fib - have mentioned this to Dr but no comment but was told butterfly feeling chest was panic attack Appreciate advice please