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reset nodus sinuatrialis

Pronunciation: re'set no'dus si'nu-a'tre-a'lis

Definition: Reset of the sinoatrial node produced by premature depolarization (usually atrial) when the sum of the duration of the premature cycle and the return cycle is less than twice the spontaneous cycle length.

Synonym(s): sinus node reset

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.