<human>:  What are the symptoms of a heart attack?
<bot>: The most common symptoms of a heart attack include chest pain or discomfort, shortness of breath, sweating, nausea, and light-headedness. Pain or discomfort may also be felt in the upper body, including the arms, jaw, neck, back, and stomach. Other possible symptoms include fatigue, a rapid or irregular heartbeat, and dizziness.