heart rate variability - Search - Sleep Data - National Sleep Research Resource

Respiratory event (05) end time

event05end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

Respiratory event (06) end time

event06end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

Respiratory event (07) end time

event07end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

Respiratory event (08) end time

event08end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

Respiratory event (09) end time

event09end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

Respiratory event (10) end time

event10end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

Respiratory event (11) end time

event11end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

Respiratory event (12) end time

event12end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

Respiratory event (13) end time

event13end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

Respiratory event (14) end time

event14end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

Respiratory event (15) end time

event15end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

Respiratory event (16) end time

event16end under Clinical Data/Diagnostic Studies/Heart Rate Variability in CHAT variables

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, non-overlapping windows: Normalized ratio

hfn_5m5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Non-Overlapping Windows in MESA variables

Low frequency power / high frequency power, non-overlapping windows

lf_hf_5m5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Non-Overlapping Windows in MESA variables

High frequency power, non-overlapping windows: Normalized ratio

lfn_5m5 under Clinical Data/Diagnostic Studies/Heart Rate Variability/Non-Overlapping Windows in MESA variables