ECG data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/
Usage
data(ADNI2_ECG)Details
ORIGPROT character Original study protocol , with options: ADNI2, ADNI1, ADNIGO
ID numeric Range value: 2, ..., 254
RID numeric Participant roster ID Range value: 55, ..., 4889
SITEID numeric Site ID Range value: 13, ..., 58
VISCODE character Visit code , with options: v31, v41, tau
VISCODE2 character Translated visit code , with options: m36, m108, m60, m48
USERDATE Date record created Date: YYY-MM-DD
USERDATE2 logical Date record last updated A Boolean value: TRUE/ FALSE
DONE numeric Was assessment/procedure done? 1=Yes ; 0=No
NDREASON numeric If No, reason not done: 1=Participant Unable for Cognitive Reasons ; 2=Participant Unable for Other Reasons (Physical, auditory, etc.) ; 3=Participant/Study Partner Refused ; 4=Equipment related issue ; 7=Site Error ; 8=Other Reason ; 9=Unknown
ECOMPDT logical Date ECG Completed A Boolean value: TRUE/ FALSE
ECOMPTM logical Time ECG Completed A Boolean value: TRUE/ FALSE
ECGPR logical Was there a PR interval? 1=Yes ; 0=No
ECGPRI logical PR Interval 20..500
ECGQRS logical QRS Duration 20..300
ECGQTC logical QT Interval 100..600
ECGHRT logical Heart Rate 30..180
ECGNORM logical ECG Status: 1=Normal ; 0=Abnormal
ECGABNORM numeric If abnormal, please describe: Range value: -1, ..., -1
ECGREV logical Was the result reviewed prior to the AV-1451 dose? 1=Yes ; 0=No
ECGLIMIT logical Was the result within limits specified in the addendum? 1=Yes ; 0=No
ECGCOMM numeric Comments: Range value: -1, ..., -1
update_stamp POSIXct: YYY-MM-DD