The results indicate that, the changing p attern in the DFA index of RR interval sequence from the healthy to the morbidit y is different from those of the P-wave, QRS-wave and T-wave.

• 结果表明,从正常态到病态RR间期的DFA指数的变化模式同P波、QRS波和T波形态差异序列的DFA指数的变化模式不同。