Definitions for tachycardia, ectopic atrial

This page provides all possible meanings and translations of the word tachycardia, ectopic atrial

U.S. National Library of Medicine

  1. Tachycardia, Ectopic Atrial

    Abnormally rapid heartbeats originating from one or more automatic foci (nonsinus pacemakers) in the HEART ATRIUM but away from the SINOATRIAL NODE. Unlike the reentry mechanism, automatic tachycardia speeds up and slows down gradually. The episode is characterized by a HEART RATE between 135 to less than 200 beats per minute and lasting 30 seconds or longer.

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