Call 911 or your local emergency number right away if you have these signs and symptoms and think you are having a heart attack: Chest pain (angina) that feels like burning, pressure or tightness Pain elsewhere in the body, such as the left upper arm or jaw (referred pain) Nausea Vomiting Shortness of breath (dyspnea) Sudden, heavy sweating (diaphoresis) If you are having a heart attack, the signs a