The dark pink color in the picture shows the areas where a person might feel chest pain.

The most common symptom of a heart attack is chest pain or pressure, or a strange feeling in the chest. Some people feel pain, pressure, or a strange feeling in the back, neck, jaw, or upper belly, or in one or both shoulders or arms.

Other symptoms of a heart attack include shortness of breath, nausea or vomiting, lightheadedness or sudden weakness, or a fast or irregular heartbeat.