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Premature Ventricular Complex Trigeminy

EKG Features

Rate: The underlying rate
Rhythm: Irregular
P Wave: Absent
PR Interval: Not measurable
QRS: Wide (> 0.10 sec), bizarre appearance

Premature ventricular contraction trigeminy are extra, abnormal heartbeats that originate in the Purkinje fibers of the ventricles. The PVC occurs with every third heart beat. Patients may feel a PVC as a skipped beat or palpitation. Single beat premature ventricular contractions are very common and can often be asymptomatic in healthy patients.
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Premature Ventricular Complex Trigeminy Example

ekg rhythm strip for reference guide



Return to EKG Reference Guide Index



Authors, Reviewers and Developers EKG rhythms classes: Thomas O'Brien.
EKG monitor simulation: Steve Collmann
12 Lead Lecture: Dr. Michael Mazzini, MD, Cardiologist.
Spanish EKG: Breena R. Taira, MD, MPH
Medical review: Dr. Jonathan Keroes, MD, Cardiologist,
Dr. Barbara Erickson, PhD, RN, CCRN.
EKG tracings review: Dr. Pedro Azevedo, MD, Cardiology
Last Update: 11/10/2022
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