Heart Attacks: What You Should Know

(CNN) -- If you are one of the nearly 785,000 Americans who suffer a first heart attack this year, what you do in the first few minutes can determine an entire lifetime.

Unfortunately, many people do not know what symptoms to look for or what life-saving steps to take. To help make sense of it all, the following can help you or someone you know survive a heart attack:

Q: What are the top three things I should know about heart attacks?

A: When a heart attack strikes, seconds count.

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