My Daughter Has Graves Disease And Had An Ablation 14

my daughter has graves disease and had an ablation 14 years ago. She also had a heart attack in
august 2016 due to thyroid toxicosis. She is on Synthroid 100mg per day and takes Atenolol twice a day as
a beta blocker. She also takes Klonopin when necessary. She has developed seizure-like symptoms such
as shaking uncontrollably and increased heartrate. Severe anxiety and panic attacks are frequent. Noone
knows what is causing this,. She goes to the emergency room and they send her home saying everything
looks good. Her endochrinologist says levels are normal. What is causing this?