The development of poincare plot in the analysis of heart rate variability

Background Heart Rate Variability is an objective index to assess cardiac autonomic function. Time-domain,frequency-domain and nonlinear analysis are the most important ways to analyze the heart rate variability. Currently,the nonlinear analysis method is becoming more and more popular.Objective Introducing the scatterplot method in the analysis of heart rate variability and its potential value in the clinic.Content The development of heart rate variability of the process,mainly various scatter plot analysis and its clinical application.Trend Scatter plot is expected as a more comprehensive and real analysis method to reflect heart rate variability,then make good sense clinically. Key words: Heart rate variability; Poincare plot; Clinical application