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Table 1 Parameters used in the ECG window

From: Support system for classification of beat-to-beat arrhythmia based on variability and morphology of electrocardiogram

  Heartbeats (B) Atrium (P) AV node (PQ) Ventricular depolarization (QRS) Ventricular repolarization (T)
Time [ms] 1000 110 160 180 130
λ 0.6 0.066 0.096 0.108 0.078
θ 0.4 0.044 0.064 0.072 0.052
Start 0 0 21 26 66
End 80 20 25 60 80
  1. λ is the proportion weight used from the start of the heartbeat, and θ is the proportion weight used from the end of the heartbeat