Linear and nonlinear dynamics of heart rate variability after acute myocardial infarction with normal and reduced left ventricular ejection fraction.

@article{Lombardi1996LinearAN,
  title={Linear and nonlinear dynamics of heart rate variability after acute myocardial infarction with normal and reduced left ventricular ejection fraction.},
  author={F. Lombardi and Giovanni Sandrone and Andrea Mortara and D Torzillo and Maria Teresa La Rovere and Maria G. Signorini and Sergio Cerutti and Alberto Malliani},
  journal={The American journal of cardiology},
  year={1996},
  volume={77 15},
  pages={1283-8}
}
We analyzed heart rate variability (HRV) in 2 groups of patients after acute myocardial infarction with normal and reduced ejection fraction (EF) by considering both the power of the 2 major harmonic components at low and high frequency and 2 indexes of nonlinear dynamics, namely the 1/f slope and the correlation dimension D2. HRV of patients with a reduced EF was characterized by a diminished RR variance as well as a different distribution of the residual power in all frequency ranges, with… CONTINUE READING
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