The rhythm that is characterized by the presence of regular atrial activity with a picket-fence or sawtooth pattern is known as atrial:
A) fibrillation rhythm.
B) flutter rhythm.
C) reentry rhythm.
D) sustained rhythm.

Question

Quizplus · Accepted Answer

The description of "picket-fence or sawtooth pattern" is typical of atrial flutter rhythm, which is characterized by regular atrial activity at a rate of 250-350 beats per minute. Atrial fibrillation is characterized by irregular and chaotic atrial activity, reentry rhythm refers to a type of arrhythmia where the electrical impulse circulates in a circular loop within the heart, and sustained rhythm is a generic term that could apply to any rhythm that persists for a prolonged period of time.

The Rhythm That Is Characterized by the Presence of Regular