Palpitations are a sensation when the heart feels beating fast. This condition, also known as palpitations, can be felt in the chest and neck. Actually palpitations are health conditions that need not be too much of a concern because they are generally harmless. Even so, still need to be aware of the possibility of serious conditions that trigger palpitations. Conditions That Cause Palpitations Generally palpitations or palpitations are caused by: Emotional stress, such as stress, anxiety, and panic attacks. Sports or strenuous physical activity. Consuming drinks or foods that contain caffeine, such as coffee. Taking drugs containing pseudoephedrine (usually cough and cold medicines), diet pills, asthma, high blood pressure, or heart disease, and several types of herbal supplements. Smoke. Hormonal changes during menstruation, or pregnancy Suffered from thyroid disease, too low blood sugar, dehydration and anemia. Eat heavy foods that are rich in carbohydrate, sugar and f