ATLANTA (AP) - Only about 1 in 4 Americans know the warning signs of a heart attack, U.S. health officials in Atlanta say.
Most are also unaware that the first thing to do is call 9-1-1. Doctors with the Centers for Disease Control and Prevention said the level of public awareness is alarmingly low.
The warning signs include shortness of breath; pain in the chest, arms or shoulder; a feeling of weakness; and discomfort in the jaw, neck or back. Each year more than 900,000 Americans suffer a heart attack.
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