Experts say that the similar symptoms between heartburn and a heart attack can make it difficult for patients to know the difference. But rather than trying to figure it out, they say that people should always err on the side of caution and have themselves checked out by a doctor--particularly if they have a family history of heart disease. They also suggest that patients keep a log of when heartburn symptoms occur, what triggers symptoms, and how long they last. Knowing your triggers may help...