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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Premature ventricular contraction EKG examples

Introduction

Overview

Overview

Lown and Graboys proposed the grading system for premature ventricular contraction which is used for prognostic purposes.

EKG Examples

EKG Examples

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Premature Ventricular Contraction EKG Examples

Grading of Frequency

  1. Called frequent if there are 5 or more PVCs per minute on the routine ECG
  2. Lown and Graboys proposed the following grading system which is used for prognostic purposes:
    • Grade 0 = No PVCs
    • Grade 1 = Occasional (<30 per hour)
    • Grade 2 = Frequent (>30 per hour)
    • Grade 3 = Multiform
    • Grade 4 = Repetitive
      1. A = Couplets
      2. B = Salvos of > 3
    • Grade 5 = R-on-T
References

References

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mugilan Poongkunran M.B.B.S [2]