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Premature heart beats come in two different types, premature atrial contractions and premature ventricular contractions.[1] Often they cause no symptoms but may present with fluttering in the chest or a skipped beat.[1] Typically have no long term complications.[1]

Premature heart beat
A premature ventricular contraction marked by the arrow.

They most often happen naturally but may be associated with caffeine, nicotine, or stress.[1] Usually no treatment is needed.[1] They are the most common arrhythmia.[1]


  1. ^ a b c d e f "Types of Arrhythmia". July 1, 2011. Retrieved March 7, 2015.

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