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electrical alternation of heart


Definition: a disorder in which the ventricular or atrial complexes or both are regular in time but of alternating pattern; detected by electrocardiography. The P, PR segment, QRS, T, QRS-T, or P-QRST alternate singly or in combination.

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