is always a serious problem,you should not ignore this...specially compressive chest pain is typical of heart cause...so ECG,ecocardigraphy and TMT is required for evaluation.....preferably stop this hormone before ruling out any serious cardiac cause behind......
hyperthyroid state can happen in excess HCG
state..(like 1 st trimester of pregnancy
....as HCG and TSH
has similar recepters whose a part is same...)...till which limit this can be accepted taking in mind its not a hugely recommended way of managing obesit,is really a questionable matter...:)