. Author manuscript; available in PMC: 2019 Jun 30.

Published in final edited form as: IEEE J Biomed Health Inform. 2015 Mar 31;19(3):815–824. doi: 10.1109/JBHI.2015.2418195

TABLE II.

Arrhythmia with its corresponding trajectory pattern in Poincare plot

Type of Arrhythmia	Trajectory Patterns in the Poincare plot’s six regions (ΔPPI_i-3 − ΔPPI_i-2 − ⋯ − ΔPPI_i+2)
Premature Atrial Contraction (PAC)
Bigeminy	0-0-0-0-0-0-…
Trigeminy	2-4-2-4-2-4-…
Quadrigeminy	1-2-3-1-2-3-…
Premature Ventricular Contraction (PVC)
Bigeminy	0-0-0-0-0-0-…
Trigeminy	2-4-2-4-2-4-…
Quadrigeminy	1-2-3-1-2-3-…
Normal Sinus Rhythm (NSR)	0-0-0-0-0-0-…
Atrial Fibrillation (AF)	irregular patterns with trajectories at all 6 possible regions