Dear Welome to HCM We understand your concerns I went through your details. I suggest you not to worry much. You have thyoid condition and you are under treatment for that. Your EKG and echo came clear means your heart is healthy. Then th problem you are facing could simply be anxiety disorder. Let me explain. Fear is objective and apprehension an anxiety are subjective. Your re apprehensive of something which makes you fearful an that is anxiety. Anxiety produes all those symptoms which fear produces, like palpitation, goose bumps, sweating, labored breathing etc. But not to worry. You should be treated for anixety with the help of psychotherapy. Please post a direct question to me in this website mentioning ll the details about you. I shall then prescribe some psychotherapy methods which should help you overcoming anxiety and its symptoms. Hope this answers your query. Available for further clarifications. Good luck.