Junctional rate is typically

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Prepare for the Cardiac Electrophysiology Test. Study with interactive quizzes and multiple choice questions. Each question includes helpful hints and detailed explanations. Start your journey to success on your cardiac exam now!

Multiple Choice

Junctional rate is typically

Explanation:
Junctional rhythm is generated by the AV node, which has slower automaticity than the SA node. Because the AV node pacing is slower than the normal sinus pace, the heart rate sits in a bradycardic range rather than the typical normal resting rate. This slower AV nodal pace is distinct from a normal sinus rhythm (which is faster) and from a ventricular escape rhythm (which is typically even slower). So, when thinking about junctional rates, expect a pace that is slower than normal sinus rhythm but faster than a purely ventricular escape rhythm. This is why a junctional rhythm is associated with a slower-than-normal rate, not the normal or tachycardic ranges.

Junctional rhythm is generated by the AV node, which has slower automaticity than the SA node. Because the AV node pacing is slower than the normal sinus pace, the heart rate sits in a bradycardic range rather than the typical normal resting rate. This slower AV nodal pace is distinct from a normal sinus rhythm (which is faster) and from a ventricular escape rhythm (which is typically even slower). So, when thinking about junctional rates, expect a pace that is slower than normal sinus rhythm but faster than a purely ventricular escape rhythm. This is why a junctional rhythm is associated with a slower-than-normal rate, not the normal or tachycardic ranges.

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