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Combination beat

From Biology-Online Dictionary | Biology-Online Dictionary
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Combination beat --> fusion beat

a beat triggered by more than a single electrical impulse, when the wave fronts coincide to act together on a single final pathway of activity; in the electrocardiogram, the atrial or ventricular complex when either atria or ventricles are activated jointly by two simultaneous or nearly simultaneous invading impulses.

Synonym: combination beat, mixed beat, summation beat.