Medical term:
pararrhythmia
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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
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]
Farlex Partner Medical Dictionary © Farlex 2012
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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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