Reentry circuits can cause tachyarrythmias. Which of the following is a tachyarrythmia?

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Prepare for the Cardiac Electrophysiology Test. Enhance your knowledge with flashcards and multiple-choice questions, each supplemented with explanations and hints. Gear up for success on your exam!

Multiple Choice

Reentry circuits can cause tachyarrythmias. Which of the following is a tachyarrythmia?

Explanation:
Reentry circuits produce rapid, ongoing electrical activation of the heart. A premature impulse gets trapped in a loop and re-excites tissue before it fully recovers, causing a fast, regular heartbeat—a tachyarrhythmia. Among the options, the one that represents a fast heart-rate category is tachyarrhythmias, which directly reflects this mechanism. The other possibilities describe slow rhythms (bradyarrhythmias), normal rhythm (normal sinus rhythm), or a situation with little to no atrial activity (atrial standstill), none of which are fast rhythm disturbances.

Reentry circuits produce rapid, ongoing electrical activation of the heart. A premature impulse gets trapped in a loop and re-excites tissue before it fully recovers, causing a fast, regular heartbeat—a tachyarrhythmia. Among the options, the one that represents a fast heart-rate category is tachyarrhythmias, which directly reflects this mechanism. The other possibilities describe slow rhythms (bradyarrhythmias), normal rhythm (normal sinus rhythm), or a situation with little to no atrial activity (atrial standstill), none of which are fast rhythm disturbances.

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