Ventricular Pacemaker Rhythm - Pacemaker Rhythms.
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Ventricular Pacemaker Rhythm
- This rhythm is easily identified by the conspicuous presence of a pacing spike immediately preceding the QRS complexes.
- Sometimes there will be P waves in the tracing, sometimes there will not.
- Follow the five-steps of rhythm analysis and document as always.

Practice Strip

Analyze this tracing using the five steps of rhythm analysis
Show Answer
- Rhythm: regular
- Rate 83
- P Wave: absent
- The PR interval: n/a
- QRS: 0.16 sec, wide and bizarre with spikes
- Interpretation: Ventricular Pacemaker Rhythm with 100% capture
Authors and Reviewers
Authored by Thomas O'BrienMedically reviewed by Dr. Jonathan Keroes, MD, Cardiology
Last Update: 11/8/2020