Chest palpitations can often be a sign of stress and anxiety. The palpitations are sometimes accompanied by a spike in blood pressure and increased breathing rate. People suffering this condition can practice T'ai Chi.
You would need to see a doctor for sure but palpitations could indicate a heart problem or an anxiety disorder. Many people think they are having a heart attack but are actually having a panic attack.
They say that something is wrong with your heart. It could be a sign of high blood pressure or more serious heart disease, and you should see a doctor.