Atrial Premature Complexes: Difference between revisions

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[[Image:Bes.png|thumb| A premature atrial complex (PAC) with evident negative p-wave]]
[[Image:Bes.png|thumb| A premature atrial complex (PAC) with evident negative p-wave]]
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.


'''See also:'''
'''See also:'''

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