I have tricuspid reurgitation and enlargement of the heart , i was really disturbed according to my doctor i have also sub-clinical thyroid and i maintain the following meds: norten 5mg, vistar 35mg and tapdin5mg for my hyperthyroid. Sometimes i just felt uncomforable and become weak then comes my fear. What shud i do if in case my palpitation occur and i m getting weak as if i m dying because of my fear? I am 42 years old, 5 5 tall and 66kg. I was undergone heart procedure in 2005 due to my WPW, i was also operated prosthesis operation in 1987 and 2003 another operation was made for th replacement of my left hip prosthesis. Since my heart procedure my nervous always attacked me that s why i was mentally disturbed fear comes, anxiety and worries that i may die early.