pararrhythmia


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parasystole

 [par″ah-sis´to-le]
a cardiac arrhythmia attributed to the interaction of two foci independently initiating cardiac impulses at different rates; it cannot be discharged by impulses of the dominant rhythm but it may be modulated by electrotonic influences. The two independent rhythms coexist but not as a result of atrioventricular block. It is an abnormality of both automaticity and impulse conduction. See also entrance block.

par·ar·rhyth·mi·a

(par'ă-ridh'mē-ă),
A cardiac dysrhythmia in which two independent rhythms coexist, but not as a result of A-V block; pararrhythmia thus includes parasystole and A-V dissociation (2), but not complete A-V block.
[para- + G. rhythmos, rhythm]

pararrhythmia

/par·ar·rhyth·mia/ (-rith´me-ah) parasystole.

par·ar·rhyth·mi·a

(par'ă-ridh'mē-ă)
A cardiac dysrhythmia in which two independent rhythms coexist, but not as a result of atrioventricular block; pararrhythmia thus includes parasystole and atrioventricular dissociation (2), but not complete atrioventricular block.
[para- + G. rhythmos, rhythm]

pararrhythmia

parasystole.
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