Heart attack symptoms and severity can vary from person to person. Some heart attacks strike suddenly, while others last longer. Common heart attack symptoms are: • Recurrent tightness, pressure, pain, or a squeezing sensation (angina) in your chest or arms. This pain can spread to your back, neck, and jaw. • Lightheadedness or sudden dizziness • Shortness of breath • Fatigue • Heartburn, nausea, indigestion, or abdominal pain • Cold sweat