There are numerous pounding heart beat causes including high level of physical activity, anxiety disorder, hypertrophic cardiomyopathy, panic attack, panic disorder, certain medications / drugs / substances and many more. Learn some of the causes in this article. For causes of extra heart beats, please refer to this article: Extra Heartbeat Causes.
A pounding heart is a sensation of the heart that beats, pulsates, throbs or races rapidly and heavily. The pounding sensation of the heart beats can be felt in the throat, chest as well as in the neck. The pulse rate will depend on the pounding of heart. Most heart pounding symptoms are not serious but you will need to address it as soon as possible if the heart palpitations are related to an abnormal heart rhythm disorder.