EDAN SE-1515 - Chapter 7 Statistics; 7.1 Statistic criteria; 7.2 Statistic results

SE-1515 PC ECG User Manual ECG Analysis
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5.4 HRV
The HRV ECG analysis screen includes two tabs: Auto Diagnosis result and Waveform.
NOTE:
1. The HRV sampling time can be set in the Sample Setting window.
2. The HRV analysis lead can be selected in the Sample Setting window.
Designation
Definition
Sampling Time
Set sampling time
Total Beat Number
Total beat number during the measuring course
Heart Rate
Heart rate
Average RR interval
Average RR interval
Max RR interval
Maximum RR interval
Min RR interval
Minimum RR interval
Max/Min
Ratio of Maximum RR interval to Minimum RR interval
SDNN
Standard Deviation of Normal to Normal Intervals
RMSSD
Root Mean Square Successive Difference
NN50
(the total beat number)
The number of duration difference that is more than 50ms between
the adjacent NN durations.
PNN50
(unit: per centum)
NN50 divide the total NN number
SDSD
Standard deviation of successive differences between adjacent
normal cycles
TINN
The triangular interpolation of NN interval histogram
Triangle Index
Total NN number divide the NN intervals of the highest percentage
LF
Low Frequency
HF
High Frequency
LF/HF
Ratio of low frequency to high frequency
LF (norm)
Standard LF power
HF (norm)
Standard HF power
Total Power
Total NN difference