Atrial Premature Complexes: Difference between revisions

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Premature atrial complexes origin from an ectopic pacing region in the atria. They are an example of [[Ectopic Beats|ectopic beats]]. The result is a p-wave with often a different morphology as the preceding ones.  
Premature atrial complexes origin from an ectopic pacing region in the atria. They are an example of [[Ectopic Beats|ectopic beats]]. The result is a p-wave with often a different morphology as the preceding ones.  


A premature atrial complexe is usually followed by a '''compensatory pause''' caused by the fact that atrial depolarization enters the sinus node and resets the sinus rhythm.
A premature atrial complexe is usually followed by a [[noncompensatory pause]] caused by the fact that atrial depolarization enters the sinus node and resets the sinus rhythm.


Premature atrial complexes are common and usually benign.
Premature atrial complexes are common and usually benign.

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