Heart rate variability time-domain methods

5 variables.

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Standard Deviation of normal-to-normal intervals (SDNN)

Standard Deviation of normal-to-normal intervals (SDNN)

x0ec03
Integral of the density distribution (HRVI)

Integral of the density distribution (HRVI)

x0ec04
Standard Deviation of the average NN intervals in each 5 min segment of the record (SDANN)

Standard Deviation of the average NN intervals in each 5 min segment of the record (SDANN)

x0ec05
Square Root of the Mean Squared Differences of successive NN intervals (RMSSD)

Square Root of the Mean Squared Differences of successive NN intervals (RMSSD)

x0ec06
Percentage of interval differences of successive NN intervals greater than 50 ms (pNN50)

Percentage of interval differences of successive NN intervals greater than 50 ms (pNN50)

x0ec07
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