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Respiratory event (17) end time
event17end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables
Respiratory event (18) end time
event18end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables
Low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.04 and 0.15 Hz
lf under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables
Ratio of consecutive normal sinus beats (NN) over all cardiac inter-beat (RR) intervals
nn_rr under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >10 ms
pnn10 under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >20 ms
pnn20 under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >30 ms
pnn30 under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >40 ms
pnn40 under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >50 ms
pnn50 under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables
Very low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.003 and 0.04 Hz
vlf under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables
Low frequency power, full night: Normalized ratio
hfn_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
Low frequency power / high frequency power, full night
lf_hf_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
High frequency power, full night: Normalized ratio
lfn_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
Normal-to-normal intervals, full night: Standard deviation
sdnn_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
Normal-to-normal intervals up to 0.04 Hz, full night: Total spectral power
totpwr_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
Normal-to-normal intervals up to 0.003 Hz, full night: Total spectral power
ulf_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
Normal-to-normal intervals between 0.04 and 0.15 Hz, non-overlapping windows: Total spectral power
lf_5m5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Non-Overlapping Windows in MESA variables
Normal-to-normal intervals between 0.003 and 0.04 Hz (and between 0 and 0.04 Hz in 5-minute windows), non-overlapping windows: Total spectral power
vlf_5m5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Non-Overlapping Windows in MESA variables
MESA- HRV Analysis, Exclusion Criteria
Reply by sara22 on April 8, 2020 on Forum
... of Pacing and Electrophysiology, Heart rate variability (HRV) standards of ... and clinical use (European Heart Journal, 1996;17:354–81) but maybe ...
Normal-to-normal intervals, full night: Mean
avnn_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
Adjacent normal-to-normal intervals, full night: Square root of the mean of the squares of differences
rmssd_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
Normal-to-normal intervals in all 5-minute segments, full night: Mean of the standard deviations
sdnnidx_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
Normal-to-normal intervals between 0.15 and 0.4 Hz, full night: Total spectral power
hf_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
Consecutive normal-to-normal intervals / all inter-beat intervals, full night
nn_rr_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
Adjacent normal-to-normal intervals, full night: Percentage of differences > 10 ms
pnn10_fn5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Full Night in MESA variables
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