Certified Rhythm Analysis Technician (CRAT) Practice Exam

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Atrial tachycardia is best described as a rapid arrhythmia which is?

  1. Irregular and occurs paroxysmally

  2. Causes a ratio of conduction to the ventricles

  3. Regular and occurs paroxysmally, or sustained

  4. Associated with poor atrioventricular conduction

The correct answer is: Regular and occurs paroxysmally, or sustained

Atrial tachycardia is characterized as a rapid heart rhythm originating from the atria, specifically due to an ectopic focus or abnormal conduction pathways in the atria. This condition typically presents with a consistent rhythm, meaning that the heartbeats occur at regular intervals, which sets it apart from other forms of tachycardia that may present with an irregular rhythm. Moreover, atrial tachycardia can occur in a paroxysmal manner, indicating that episodes can start and stop suddenly. It may also be sustained, lasting longer than a few minutes. The ability to have both paroxysmal and sustained episodes is a hallmark of this arrhythmia. In summary, the combination of being regular and having the potential for paroxysmal or sustained episodes accurately encapsulates the nature of atrial tachycardia, making it the best description among the provided choices.

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