C54865
EEG rhythmic periodic pattern multifocal prevalence percent value
Percent value of the electroencephalogram (EEG) record that includes the multifocal rhythmic or periodic pattern
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54837
EEG rhythmic periodic pattern general type
Type of generalized rhythmic or periodic pattern observed on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54850
EEG rhythmic periodic pattern lateral prevalence category
Category of prevalence of the lateralized rhythmic or periodic pattern observed on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54858
EEG rhythmic periodic pattern bilateral independent prevalence percent value
Percent value of the electroencephalogram (EEG) record that includes the bilateral independent rhythmic or periodic pattern
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54838
EEG rhythmic periodic pattern general prevalence category
Category of prevalence of the generalized rhythmic or periodic pattern observed on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54851
EEG rhythmic periodic pattern lateral prevalence percent value
Percent value of the electroencephalogram (EEG) record that includes the lateralized rhythmic or periodic pattern
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54841
EEG rhythmic periodic pattern general prevalence percent value
Percent value of the electroencephalogram (EEG) record that includes the generalized rhythmic or periodic pattern
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54862
EEG rhythmic periodic pattern multifocal category
Category(ies) of multifocal rhythmic or periodic patterns observed on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54855
EEG rhythmic periodic pattern bilateral independent category
Category(ies) of bilateral independent rhythmic or periodic patterns observed on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54848
EEG rhythmic periodic pattern lateralize category
Category(ies) of lateralized rhythmic or periodic patterns observed on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54834
EEG rhythmic periodic pattern generalize category
Category(ies) of generalized rhythmic or periodic patterns observed on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54831
EEG ictal onset hemispheric laterality text
Text describing the laterality (side) of the hemisphere exhibiting ictal onset on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54826
Seizure electrographic minute count
Count of total minutes of electrographic seizure per 24 hours, constituting the electrographic seizure burden
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54824
Seizure electrographic duration typical category
Category of the typical duration of electrographic seizure for the subject/participant
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54822
Seizure electrographic indicator
Indocator of whether an electrographic seizure was found via electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54810
qEEG ischemia detection type
Type of method by which ischemia was detected on the quantitative electroencephalogram (qEEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54808
EEG exhibit feature ischemia other cause text
The free-text field related to 'EEG exhibit feature consistent ischemia status' specifying other cause of ischemia
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54806
EEG exhibit feature consistent ischemia status
Status of features consistent with ischemia that are present on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54804
EEG background stage II sleep transient status
Status of background Stage II sleep transients observed on the electroencephalogram
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54803
EEG reaction visual stimulation other text
The free-text field related to 'EEG reaction stimulation type' specifying other change to visual stimulation
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54801
EEG reaction tactile stimulation other text
The free-text field related to 'EEG reaction stimulation type' specifying other change to tactile stimulation
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54802
EEG reaction auditory stimulation other text
The free-text field related to 'EEG reaction stimulation type' specifying other change to auditory stimulation
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54797
EEG reaction stimulation type
Type of reaction to stumulation observed on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54795
EEG background voltage continuity category
Category of background voltage continuity related to the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54793
EEG voltage background measurement category
Category of the background voltage measurement obtained as part of the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage