(HealthDay News) -- Heart palpitations are sensations that your heart isn't beating in its regular rhythm. In some cases, they can indicate a serious cardiovascular problem such as an irregular heartbeat. In other cases, they can be relatively harmless.
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The U.S. National Heart Lung and Blood Institute says any new or unexpected heart palpitations should be checked by a doctor. They could be caused by:
- A serious heart problem, such as an irregular heartbeat (medically called an arrhythmia).
- Conditions including dehydration, fever, thyroid problems, anemia, low blood pressure or low blood sugar.
- Strong emotions, such as anxiety, stress or fear.
- Intense exercise or physical activity.
- Changes in hormone levels due to pregnancy, menstruation or menopause.
- Certain foods, alcoholic beverages. medications or supplements.
-- Diana Kohnle
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