Numeric processing of Lorenz plots of R-R intervals from long-term ECGs

Kleiger, 1987, Decreased heart rate variability and its association with increased mortality after acute myocardial infarction, Am J Cardiol, 59, 256, 10.1016/0002-9149(87)90795-8

Cripps, 1991, Prognostic value of reduced heart rate variability after myocardial infarction: analysis of a new method, Br Heart J, 65, 14, 10.1136/hrt.65.1.14

Malik, 1989, Heart rate variability in relation to prognosis after myocardial infarction: selection of optimal processing technique, Eur Heart J, 10, 1060, 10.1093/oxfordjournals.eurheartj.a059428

Bigger, 1992, Frequency domain measures of heart period variability and mortality after myocardial infarction, Circulation, 85, 164, 10.1161/01.CIR.85.1.164

Gilham, 1994, Application of scatterplots to Holter ECG data, J Electrocardiol, 26, 31

Woo, 1992, Patterns of beat-to-beat heart rate variability in advanced heart failure, Am Heart J, 123, 704, 10.1016/0002-8703(92)90510-3

Woo, 1994, Complex heart rate variability and serum norepinephrine levels in patients with advanced heart failure, J Am Coll Cardiol, 23, 565, 10.1016/0735-1097(94)90737-4

Schechtman, 1993, Development of heart rate dynamics during sleep-waking states in normal infants, Pediatr Res, 34, 618, 10.1203/00006450-199311000-00012

Schechtman, 1992, Dynamic analysis of cardiac RR intervals in normal infants and in infants who subsequently succumbed to sudden infant death syndrome, Pediatr Res, 31, 606, 10.1203/00006450-199206000-00014

Garfinkel, 1992, Controlling cardiac chaos, Science, 257, 1230, 10.1126/science.1519060

Copie X, Le Heuzey JY, Iliou MC et al: Correlation between time-domain measures of heart rate variability and scatterplots in post-infarction patients. PACE (in press)