I read some articles of sca in internet... now i am worried.. though my all cardiac test results are normal... how can i get rid of the worry? no hist

Unwanted thoughts: The fear of dying suddenly is common even in healthy folks and it's a great credit to you that you recognize that in your case, it's not rational. Simply talk with someone sensible about it -- and how you feel about life generally. Each of us decides how we will deal with the knowledge of our mortality. This may be the real question here -- and only you can find the answer that's for you.