You may feel pressure or pain in the middle of your chest; feel pain in your shoulder, arm, abdomen, or jaw; feel short of breath; feel sweaty; have nausea or vomiting; feel weak or lightheaded; or look pale.

Women may have different symptoms than men. Women may have symptoms such as a burning feeling in the upper stomach, an upset stomach, or sudden weakness or tiredness.

You can have a heart attack when you are resting or when you are exercising. You may think you just have an upset stomach. However, it's important to get medical help as soon as you can. Don't wait.