Abstract: . . .  nausea, or light- headedness. If you think that you or someone you know is having a heart attack , you should call 911 immediately. . . .
. . .  Government, and none should be inferred. The CDC is not responsible for the content of the individual organization Web pages found at this link. June 2005  . . .
. . .  Attack The National Heart Attack Alert Program notes these major signs of a heart attack : Chest discomfort. Most heart attacks . . .
. . .  not constitute an endorsement of this organization by CDC or the Federal Government, and none should be inferred. The CDC is not responsible for the content of the individual . . .
. . .  chest discomfort. But it also can occur before chest discomfort. Other symptoms. May include breaking out in a cold sweat, nausea, or light- headedness. . . .
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