Most heart attacks start slowly, with mild pain or discomfort. Often people aren't sure what's wrong and wait too long before getting help. If in doubt, call 911.
The American Heart Association says that "Most heart attacks involve discomfort in the center of the chest that lasts more than a few minutes, or that goes away and comes back. It can feel like uncomfortable pressure, squeezing, fullness or pain."
There may be "... discomfort in other areas of the upper body. Symptoms can include pain or discomfort in one or both arms, the back, neck, jaw or stomach." And shortness of breath may occur with or without chest discomfort. A cold sweat, nausea or lightheadedness may occur.
"... women are somewhat more likely than men to experience some of the other common symptoms, particularly shortness of breath, nausea/vomiting, and back or jaw pain."
For signs and symptoms of stroke and cardiac arrest, see the full article.
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