left - Search - Sleep Data - National Sleep Research Resource

Where do you get this pain or discomfort? Location left arm

cvlocla under Medical History in MROS variables

Where do you get this pain or discomfort? Location left chest

cvloclc under Medical History in MROS variables

Acceptable left leg signal quality

poqulegl under Sleep Monitoring/Polysomnography/Signal Quality in MROS variables

Left bundle branch block

qrslbbb under Clinical Data/Diagnostic Studies/Electrocardiogram in HEARTBEAT variables

QRS complex wider than .12 seconds

Percent of total estimated sleep duration in left position from type III home sleep apnea test

slppctleft under Sleep Monitoring/Polysomnography/Sleep Architecture in HEARTBEAT variables

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Total duration of estimated sleep in left position from type III home sleep apnea test

slptimeleft under Sleep Monitoring/Polysomnography/Sleep Architecture in HEARTBEAT variables

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Left atrial volume (LAV)

lav under Clinical Data/Diagnostic Studies/Echocardiography in BESTAIR variables

Left atrial volume index (LAVI)

lavi under Clinical Data/Diagnostic Studies/Echocardiography in BESTAIR variables

Parasternal long axis view: Left ventricular end-diastolic diameter (LV - EDD)

lvedd under Clinical Data/Diagnostic Studies/Echocardiography in BESTAIR variables

Parasternal long axis view: Left ventricular end-systolic diameter (LV - ESD)

lvesd under Clinical Data/Diagnostic Studies/Echocardiography in BESTAIR variables

Left ventricular mass (LVM)

lvm under Clinical Data/Diagnostic Studies/Echocardiography in BESTAIR variables

Left ventricular mass index (LVMI)

lvmi under Clinical Data/Diagnostic Studies/Echocardiography in BESTAIR variables

4-level grouped Ankle Brachial Index (occ. failure incl.)

abigrp_c4 under Clinical Data/Vital Signs/Seated Blood Pressure in HCHS variables

This variable groups left and right ABI into 4 categories.

Right 4-level grouped Ankle Brachial Index (occ. failure incl.)

right_abigrp_c4 under Clinical Data/Vital Signs/Seated Blood Pressure in HCHS variables

This variable groups left and right ABI into 4 categories.

Number of left limb movements per hour of sleep from type II polysomnography

nollmslp under Sleep Monitoring/Polysomnography/Limb Movements in SOF variables

Hours of usable LegL (left leg)

legldur under Sleep Monitoring/Polysomnography/Signal Quality in SOF variables

Quality of LegL (left leg)

qulegl under Sleep Monitoring/Polysomnography/Signal Quality in SOF variables

First blood pressure from left ankle

ankle_left1 under Clinical Data/Vital Signs in WSC variables

Brachial blood pressure by Dopler at the overnight PSG

Second blood pressure from left ankle

ankle_left2 under Clinical Data/Vital Signs in WSC variables

Brachial blood pressure by Dopler at the overnight PSG

First blood pressure from left arm

arm_left1 under Clinical Data/Vital Signs in WSC variables

Brachial blood pressure by Dopler at the overnight PSG

Second blood pressure from left arm

arm_left2 under Clinical Data/Vital Signs in WSC variables

Brachial blood pressure by Dopler at the overnight PSG

Incomplete left bundle-branch block

ilbbb under Clinical Data/Diagnostic Studies/Electrocardiogram in SHHS variables

Minnesota (MN) code 7-6. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists.

Left Atrial Hypertrophy

lah under Clinical Data/Diagnostic Studies/Electrocardiogram in SHHS variables

Minnesota (MN) code 7-7. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists.

Left bundle-branch block

lbbb under Clinical Data/Diagnostic Studies/Electrocardiogram in SHHS variables

Minnesota (MN) code 7-1-1. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists.

Left Ventricular Hypertrophy: Voltage 3-1

lvh3_1 under Clinical Data/Diagnostic Studies/Electrocardiogram in SHHS variables

Minnesota (MN) code 3-1. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists.