Review the Warning Signs of Heart Attack and Stroke Not all of these warning signs occur in every heart attack or stroke. If you think you may be having a heart attack or stroke call 911 immediately. Heart Attack Warning Signs Uncomfortable pressure, squeezing, fullness or pain in the center of the chest that lasts for more than a few minutes or goes away and comes back. Pain or discomfort in one or both arms or shoulders, the back, neck, jaw or stomach. Shortness of breath with or without chest discomfort. Other signs such as breaking out in a cold […]