Are you feeling a tight, painful pressure in your chest? Do you feel pain in the jaw, neck, shoulder, arm or stomach? Maybe it feels like you have heartburn or indigestion. Perhaps you're short of breath, or have a loss of appetite. It could be a feeling of fatigue, nausea, or dizziness. All of these symptoms are signs that you might be having a heart attack. Stay calm. Ask for help. Don't hesitate! Call 911. Recognizing a heart attack and reacting calmly and quickly can save your life! Be CardioSmart.