What is wrong if i have heart palpitations?

See a doctor: Many things can cause palpitations, often benign. Caffeine, stress, thyroid problems. Many people have harmless irregular rhythms from time to time. Some may be serious, if associated with chest pain or shortness of breath or fainting. You should have an evaluation and find out if there is cause for concern.

Palpitations: Palpitations have many causes from anxiety through anatomic and physiologic abnormalities. The feeling of bounding usually relates to the volume of blood pumped with each palpitation. There is no simple single answer for the question. If you're bothered by the feeling should consult a dr. To see if the problem can be clarified.