iM WAKING UP EVERY DAY WITH PAPULTATTIONS, STRONG HEART BEATS /PULSATIONS IN MY BACK OF HEAD, I HAD A Total tyroidechadmey 7 months ago(due to suspicion of cancer) docs say im regulated on the syntroid now. during the operation i had an atrial fibrulation. i was put on metropolo 50 mgs. once a day. my bp is good. 120/75 75 pulse ?check it dailey / heart feel good during the day. just wakes me up every day 3/4/5 in the morning. last like 20 minutes then calms down. was increased in the syntroid 2 months agao/ could this be not being regulated yet. or stress. causing this. any ideas. i have a follup with the cardiologist. next week. also i had all test. eck./stress echo 24 hour monitor/ ulrtasound all were good. showed no blockeges/ strong heart muscle. a slight enlargement of the atriul due to the fibrulation. ,, bp before operation was high but now its normal. any ideas. thanks Kevin