C54790
EEG background predominant frequency category
Category of the predominant background frequency related to the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54789
EEG background symmetry category
Category of background symmetry related to the electroencelphalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54788
PDR relaxed wakeful frequency value
Value in Hertz of the frequency of the posterior dominant rhythm (PDR) during relaxed wakefulness
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54787
PDR presence indicator
Indicator for whether posterior dominant rhythm (PDR) is present in the subject/participant
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54786
EEG electrode attach staff occupation type
Type of occupation of the staff member who attached the electrodes for the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54785
EEG administer reason
Reason(s) for the administration of the EEG
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54784
EEG quantitative analysis type
Type(s) of quantitative analysis applied to the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54783
EEG electrode type other text
The free-text field related to 'EEG electrode type' specifying other text
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54782
EEG electrode type
Type(s) of electrode used for the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54780
EEG samping rate category
Category of sampling rate for the EEG
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54779
EEG video other text
The free-text field related to 'EEG video indicator' specifying other text
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54778
EEG monitoring type other text
The free-text fiel related to 'EEG Monitoring Type' specifying other text
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C08039
Electrode brain count
Count of electrodes introduced in the brain
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54777
Imaging aneurysm inflow concentration index value
Value of the inflow concentration index of the aneurysm, as determined from imaging
Exploratory
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54776
Imaging aneurysm inflow mean rate
Rate of mean inflow to the aneurysm, as determined by imaging
Exploratory
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54775
Imaging aneurysm oscillatory shear stress mean value
Value of the mean oscillatory shear stress of the aneurysm, as determined from imaging
Exploratory
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54774
Imaging aneurysm low wall shear stress percent value
Value of the percentage of the aneurysm that is under low wall shear stress (WSS)
Exploratory
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54773
Imaging aneurysm shear concentration index value
Value of the shear concentration index of the aneurysm, as computed from imaging
Exploratory
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54766
Imaging aneurysm shear rate mean measurement
Measurement of the mean shear rate of the aneurysm, as computed from imaging
Exploratory
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54767
Imaging aneurysm vorticity mean measurement
Measurement of the mean vorticity of the aneurysm, as computed from imaging
Exploratory
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54768
Imaging aneurysm viscous dissipation measurement
Measurement of the mean viscous dissipation of the aneurysm, as computed from imaging
Exploratory
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54769
Imaging aneurysm vortex coreline length measurement
Measurement of the vortex coreline length of the aneurysm, as computed from imaging
Exploratory
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54770
Imaging aneurysm wall shear stress mean measurement
Measurement of the mean wall shear stress of the aneurysm, as computed from imaging
Supplemental
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54771
Imaging aneurysm wall shear stress maximum measurement
Measurement of the maximum wall shear stress of the aneurysm, as computed from imaging
Supplemental
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54772
Imaging aneurysm wall shear stress minimum measurement
Measurement of the minimum wall shear stress of the aneurysm, as computed from imaging
Supplemental
Vessel Imaging Angiography
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage