ECG Quest > Rhythms > Other Rhythms > Multiple rhythms

Multiple rhythms

When there are multiple rhythms in one ECG this can either be from a change in rhythm or the presence of two competing rhythms at once. Two competing rhythms are also known as Parasystole.

See also: Other Rhythms

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In the ECGquest archives, this ECG has been tagged with: - Chest pain Dyspnoea Bradycardia Irregular Normal Axis Absent P waves Hidden P waves Narrow QRS Short PR Change in rhythm Junctional escape Multiple rhythms Sinus arrhythmia Sinus bradycardia 12-Lead Dr Smith's ECG Blog Dr Ken Grauer CC BY-NC
What is the Rhythm?

This ECG is from a young man who presented shortly after a 45 min episode of palpitations, shortness of breath, chest pressure and presyncope. He was an athlete.

This ECG shows marked sinus bradycardia with AV dissociation by default (not AV block) with junctional escape beats.