Who told you that you were 'cured'?
Chocolate wouldn't be what triggered it, unless you are dealing with Candida or were allergic to one of the ingredients in the chocolate. Most likely that was a coincidence.
But, considering that at the beginning of this month, you made a post similar to this (
www.healingwell.com/community/default.aspx?f=30&m=3262319), have you had your heart thoroughly checked out? If not, now would be the time, I would say!