Junctional Arrhythmias and Rhythms Quiz

Inverted P waves are a characteristic feature of junctional rhythms on an ECG.

An inverted P wave in junctional rhythms is most commonly seen in Lead aVR.

The typical duration of the PR interval in a junctional rhythm is shortened (<0.12 seconds).

Palpitations are a common symptom associated with junctional rhythms.

An ECG finding characteristic of an accelerated junctional rhythm is normal PR intervals.

Junctional escape rhythms typically have a heart rate between 40-60 beats per minute.

Hypokalemia is commonly associated with junctional arrhythmias.

An early, abnormally shaped P wave in a junctional rhythm is called an ectopic P wave.

Atrioventricular block is the primary cause of junctional escape rhythms.

A junctional rhythm that occurs at a faster rate than normal, but not as fast as a tachycardia, is called an accelerated junctional rhythm.

Accelerated junctional rhythm is characterized by a heart rate between 60-100 beats per minute.

In a junctional escape rhythm, the pacemaker is located in the atrioventricular (AV) node.

Antiarrhythmics are commonly used in the management of junctional arrhythmias.

A junctional escape rhythm in the absence of other rhythms is considered a normal finding.

The primary mechanism of impulse formation in junctional rhythms is atrioventricular (AV) node depolarization.