RhythmDock

RHYTHM GUIDES / LEAD II

Atrial Flutter

Organized rapid atrial activity. This example uses a 300 bpm atrial rate and fixed conduction.

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

Typical rate
Atrial: usually 250–350 bpm
Regularity
Regular with fixed conduction
P waves
Continuous flutter (F) waves
PR interval
Not measurable
QRS
Usually narrow
Practice this rhythm

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.