Body Clues You Shouldn’t Ignore Chest pain isn't the only sign you've had a heart attack. Here are 7 other symptoms to know. Click to view PDF Click to view online EXCERPT: An estimated 38,000 women under age 50 have heart attacks each year in the U.S. But heart trouble can easily be confused with other ailments, like indigestion. Check out our symptom decoder so you don’t miss any warning signs.