Q:

What causes heart palpitations?

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Quick Answer

There are many things that cause a person to haveheart palpitations, with some of the most common being fever, stress, fear, exercise, panic attacks and illegal drug use, according to the National Institutes of Health's MedlinePlus. Heart palpitations may also be experienced by people with serious health conditions, such as, heart disease, overactive thyroid, abnormal heart valve or insufficient blood oxygen levels.

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Full Answer

People who are having heart palpitations often feel as if their heart is racing, stopping or skipping beats, according to MedlinePlus. In most cases, heart palpitations are not serious, unless a persons heart rate is above 100 beats per minute. A heart rate that is higher than 100 beats per minute is referred to as tachycardia, while a heart rate lower than 60 beats per minute is diagnosed as bradycardia.

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