Correlation among Poincaré plot indexes and time and frequency domain measures of heart rate variability.

PRIMARY OBJECTIVE In order to corroborate the rported performance advantage of Poincaré plot indexes as autonomic activity markers, the correlation among these indexes and those computed from the time and frequency domains were obtained. METHODS AND PROCEDURES Starting from the RR series derived from the ECG of 21 healthy volunteers during five manoeuvres… CONTINUE READING