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Premature heart beats come in two different types, premature atrial contractions and premature ventricular contractions. Often they cause no symptoms but may present with fluttering in the chest or a skipped beat. Typically have no long term complications.
They most often happen naturally but may be associated with caffeine, nicotine, or stress. Usually no treatment is needed. They are the most common arrhythmia.
Video Premature heart beat
References
Source of article : Wikipedia
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