Montage and sampling rate information

The settings below represent the standards set at the beginning of the project. There may be a small proportion of studies and signals that do not match these standards exactly. Please review the settings at the individual sleep study level as you proceed with any analyses.

Channel	EDF Label	Input 1	Input 2	Sampling rate (Hz)	Hardware filters (Hz)	Sensor type
ECG	EKG	ECG	-	256	-	Ag/AgCl patch
Left EOG	E1	EOG-L	Fpz	256	Low Pass 100	Gold cup electrode
Right EOG	E2	EOG-R	Fpz	256	Low Pass 100	Gold cup electrode
EMG	EMG	EMG	-	256	Low Pass 100	Gold cup electrode
Linked EEG	EEG1	Fz	Cz	256	Low Pass 100	Gold cup electrode
Linked EEG	EEG2	Cz	Oz	256	Low Pass 100	Gold cup electrode
Linked EEG	EEG3	C4	M1	256	Low Pass 100	Gold cup electrode
Nasal Pressure	Flow	Flow	-	32	Low Pass 10	Nasal Cannula
Snore	Snore	Snore	-	32	-	Nasal Cannula (vibratory)
Thorax	Thor	Thor	-	32	Low Pass 10	Compumedics Inductive Respiratory Band
Abdomen	Abdo	Abdo	-	32	Low Pass 10	Compumedics Inductive Respiratory Band
Linked Left & Right Leg EMG	Leg	Lleg	Rleg	32	Low Pass 10	Compumedics Limb Movement Sensor (Piezo)
Thermistor	Aux_AC	Aux_AC	-	32	-	Salter ThermiSense 5700B
Thermistor	Therm	Therm	-	32	-	Salter ThermiSense 5700B
Position	Pos	Pos	-	32	Low Pass 10	Built-in Device Sensor
Plethysmography	Pleth	Pleth	-	256	-	Nonin 8000 sensor
Oximetry Status	OxStatus	OxStatus	-	1	-	Nonin 8000 sensor
SpO2	SpO2	SpO2	-	1	-	Nonin 8000 sensor
Heart Rate	HR	HR	-	1	-	Nonin 8000 sensor
Derived Heart Rate	DHR	DHR	-	-	-	Derived from EKG
REF	-	Fpz	-	-	-	-

Notes

The meaning of the position signal values are as follows:
- 0, Right
- 1, Back
- 2, Left
- 3, Prone
- 4, Upright

National Sleep Research Resource

Multi-Ethnic Study of Atherosclerosis

https://doi.org/10.25822/n7hq-c406