Junctional Rhythm

An escape rhythm arising near the AV junction. This example shows small inverted P waves.

Programmatically generated teaching example. Morphology and supporting values are simplified.

Typical rate: Usually 40–60 bpm
Regularity: Regular
P waves: Absent, inverted, or retrograde
PR interval: Short if P precedes QRS
QRS: Usually narrow

Sources and review status

This guide uses RhythmDock’s centralized educational definitions. See reference sources and limitations. Published September 13, 2026. Independent medical review is pending; this is not a clinical interpretation tool.