After 2 months of chemo now, Was sent to Emergency Rm for Heart Palpitations after my 2 nd chemo treatment, results of testing showed my thyroid had went hyper from having Hypothroidism for over 40 yrs . Got my newest lab results back,my T3 and Free levels are still very low ,my Primary Doctor had changed my Medication dose from 90mg to 60mg over a a month ago, I was told to keep taking that medication for now ! I have been so tired ,sore throat , and a really bad swallowing issue to the point of only have a liquid soft diet ! My Care team at the Chemo treatment center hasn't been concerned about my thyroid ,.matter fact they actually not even mention it ,,, shouldn't this be a major issue considering It could cause a heart attack or stroke? Anyone else that's had treatments to totally mess your thyroid levels up ?