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Heartbeat sensations; Irregular heartbeat; Palpitations; Heart pounding or racing
Palpitations are heartbeat sensations that feel like your heart is pounding or racing. You may simply have an unpleasant awareness of your own heartbeat, or may feel skipped or stopped beats. The heart's rhythm may be normal or abnormal. Palpitations can be felt in your chest, throat, or neck.
See also: Arrhythmia
Normally the heart beats 60 - 100 times per minute. In people who exercise routinely or take medications that slow the heart, the rate may drop below 55 beats per minute.
If your heart rate is fast (over 100 beats per minute), this is called tachycardia. A slow heart rate is called bradycardia. An occasional extra heartbeat is known as extrasystole.
Palpitations are usually not serious. However, it depends on whether or not the sensations represent an abnormal heart rhythm ( arrhythmia). The following conditions make you more likely to have an abnormal heart rhythm:
Heart palpitations can be caused by:
Goldman L. Approach to the patient with possible cardiovascular disease. In Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 48.
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