C54870
EEG interictal epileptiform discharge indicator
Indicator of whether interictal epileptiform discharges are present on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54869
EEG Ictal interictal continuum indicator
Indicator of whether an ictal-interictal continuum is present on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54847
EEG superimpose activity wave spike type
Type(s) of activity, waves, or spikes superimposed onto generalized rhythmic or period patterns on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54861
EEG rhythmic periodic bilateral independent pattern clinical correlate type
Type(s) of clinical correlate(s) observed for the bilateral independent rhythmic or periodic pattern on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54846
EEG rhythmic periodic generalized pattern clinical correlate type
Type(s) of clinical correlate(s) observed for the generalized rhythmic or periodic pattern on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54854
EEG rhythmic periodic lateralized pattern clinical correlate type
Type(s) of clinical correlate(s) observed for the lateralized rhythmic or periodic pattern on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54868
EEG rhythmic periodic multifocal pattern clinical correlate type
Type(s) of clinical correlate(s) observed for the multifocal rhythmic or periodic pattern on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54844
EEG rhythmic periodic generalized pattern evolve type
Type(s) of evolution observed for generalized rhythmic or period patterns on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54853
EEG rhythmic periodic lateralized pattern evolve type
Type(s) of evolution observed for lateralized rhythmic or period patterns on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54866
EEG rhythmic periodic pattern multifocal frequency value
Value in cycles per second of the frequency of the multifocal 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
C54859
EEG rhythmic periodic pattern bilateral independent frequency value
Value in cycles per second of the frequency of the bilateral independent 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
C54867
EEG rhythmic periodic multifocal pattern evolve type
Type(s) of evolution observed for multifocal rhythmic or period patterns on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54860
EEG rhythmic periodic bilateral independent pattern evolve type
Type(s) of evolution observed for bilateral independent rhythmic or period patterns on the electroencephalogram (EEG)
Supplemental
Electroencephalography (EEG)
False
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
C54843
EEG rhythmic periodic pattern generalized frequency value
Value in cycles per second of the frequency 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
C54852
EEG rhythmic periodic pattern lateralized frequency value
Value in cycles per second of the frequency 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
C54863
EEG rhythmic periodic pattern multifocal type
Type of multifocal 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
C54864
EEG rhythmic periodic pattern multifocal prevalence category
Category of prevalence of the multifocal 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
C54856
EEG rhythmic periodic pattern bilateral independent type
Type of bilateral independent 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
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
C54849
EEG rhythmic periodic pattern lateral type
Type of 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
C54857
EEG rhythmic periodic pattern bilateral independent prevalence category
Category of prevalence of the bilateral independent 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
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