CDE Detailed Report

Disease: Unruptured Cerebral Aneurysms and Subarachnoid Hemorrhage
Sub-Domain: [php]
CRF: Electroencephalography (EEG)

Displaying 1 - 50 of 96
CDE ID CDE Name Variable Name Definition Short Description Additional Notes (Question Text) Permissible Values Description Data Type Disease Specific Instructions Disease Specific Reference Population Classification (e.g., Core) Version Number Version Date CRF Name (CRF Module / Guideline) Sub Domain Name Domain Name Size Input Restrictions Min Value Max Value Measurement Type External Id Loinc External Id Snomed External Id caDSR External Id CDISC
C54852 EEG rhythmic periodic pattern lateralized frequency value EEGRhythmPeriodPtrnLtlzdFrqVal Value in cycles per second of the frequency of the lateralized rhythmic or periodic pattern observed on the electroencephalogram (EEG) Value in cycles per second of the frequency of the lateralized rhythmic or periodic pattern observed on the electroencephalogram (EEG) Frequency of lateralized rhythmic or periodic patterns (cycles per second) Numeric Values Adult;Pediatric Supplemental 1.00 2017-04-12 14:36:43.0 Electroencephalography (EEG) [php] [php_1]

Free-Form Entry

Cycles per second
C05463 EEG monitoring type EEGMonitorType Type of electroencephalogram (EEG) monitoring Type of electroencephalogram (EEG) monitoring EEG Type Routine;Continuous/prolonged;Other, specify Routine;Continuous/prolonged;Other, specify Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54786 EEG electrode attach staff occupation type EEGElctrdAttchStffOccptnTyp Type of occupation of the staff member who attached the electrodes for the electroencephalogram (EEG) Type of occupation of the staff member who attached the electrodes for the electroencephalogram (EEG) Electrodes attached by ICU MD;ICU RN;EEG technologist;Other Intensive care unit physician;Intensive care unit registered nurse;Electroencephalogram technologist;Other Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 11:28:46.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54804 EEG background stage II sleep transient status EEGBckgdStageIiSlpTrnsntStatus Status of background Stage II sleep transients observed on the electroencephalogram Status of background Stage II sleep transients observed on the electroencephalogram Stage II sleep transients Absent;Abnormal;Abnormal;Abnormal;Normal Absent;Abnormal (for age, in adults K-complexes but no spindles present);Abnormal (for age, in adults spindles but no K-complexes present);Abnormal (immature, asymmetric or asynchronous for age);Normal (for age, in adults K-complexes and spindles both present and normal) Alphanumeric

Select one

Adult;Pediatric Supplemental 1.00 2017-04-12 12:43:57.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54863 EEG rhythmic periodic pattern multifocal type EEGRythmPrdPtrnMltifocalTyp Type of multifocal rhythmic or periodic pattern observed on the electroencephalogram (EEG) Type of multifocal rhythmic or periodic pattern observed on the electroencephalogram (EEG) Type of multifocal rhythmic or periodic patterns Unilateral asymmetric;Bilateral asymmetric;Lobes most involved;Hemispheric Unilateral asymmetric;Bilateral asymmetric;Lobes most involved;Hemispheric Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 14:25:47.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C14574 EEG focal and generalized slowing location type EEGFocalGenSlowingLocTyp Location of focal and generalized slowing based on electroencephalography (EEG). Location of focal and generalized slowing based on electroencephalography (EEG). Localized regional lobar or multilobar Localized regional lobar or multilobar;Hemispheric (side);Generalized;No localized onset, specify;Other, specify Localized regional lobar or multilobar;Hemispheric (side);Generalized;No localized onset, specify;Other, specify Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1]

Multiple Pre-Defined Values Selected

C54838 EEG rhythmic periodic pattern general prevalence category EEGRhythPrdPtnGnlzPrvlncCat Category of prevalence of the generalized rhythmic or periodic pattern observed on the electroencephalogram (EEG) Category of prevalence of the generalized rhythmic or periodic pattern observed on the electroencephalogram (EEG) Prevalence of generalized rhythmic or periodic patterns Abundant;Continuous;Frequent;Occasional;Rare Abundant (50–89% abundant);Continuous (>90% abundant);Frequent (10–49% abundant);Occasional (1–9% abundant);Rare (<1% abundant) Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 14:25:47.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54874 EEG intracranial pressure greater 20 millimeter mercury record duration EEGICPGrtr20MmHGRcrdDur Duration in minutes of the electroencephalogram (EEG) recording for which the subject/participant's intracranial pressure (ICP) was greater than 20 millimeters of mercury (mmHg) Duration in minutes of the electroencephalogram (EEG) recording for which the subject/participant's intracranial pressure (ICP) was greater than 20 millimeters of mercury (mmHg) Time ICP recorded during EEG recording above 20 mmHg (minutes) Numeric Values

If measured, record time spent in minutes above 20 mmHg

Adult;Pediatric Supplemental 1.00 2017-04-12 15:33:18.0 Electroencephalography (EEG) [php] [php_1]

Free-Form Entry

minutes
C18965 EEG behavioral state recorded other text EEGBehavioralStateRecordedOTH The free-text field related to 'EEG behavioral state recorded type' specifying other text. The recorded state(s) of the subject during the electroencephalogram (EEG) The free-text field related to 'EEG behavioral state recorded type' specifying other text. The recorded state(s) of the subject during the electroencephalogram (EEG) Other, specify Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1] 4000

Free-Form Entry

C54853 EEG rhythmic periodic lateralized pattern evolve type EEGRhythmPeriodLtlzdPtnEvlvVal Type(s) of evolution observed for lateralized rhythmic or period patterns on the electroencephalogram (EEG) Type(s) of evolution observed for lateralized rhythmic or period patterns on the electroencephalogram (EEG) Evolving lateralized rhythmic or periodic patterns None;Frequency;Location;Morphology None;Frequency;Location;Morphology Alphanumeric

Choose all that apply. Evolution of rhythmic or periodic patterns: • Frequency: Change in the same direction for two consecutive time periodsby at least 0.5/s. • Morphology: = 2 consecutive changes to a novel morphology • Location: Spread into or sequentially out of at least two standard 10-20 electrode locations.

Adult;Pediatric Supplemental 1.00 2017-04-12 14:36:43.0 Electroencephalography (EEG) [php] [php_1]

Multiple Pre-Defined Values Selected

C08039 Electrode brain count ElectrdBrainCt Count of electrodes introduced in the brain Count of electrodes introduced in the brain Number of electrodes (including reference and ground) Numeric Values Adult;Pediatric Supplemental 4.00 2017-04-12 00:00:00.0 Electroencephalography (EEG) [php] [php_1]

Free-Form Entry

0 99
C54787 PDR presence indicator PDRPresenceInd Indicator for whether posterior dominant rhythm (PDR) is present in the subject/participant Indicator for whether posterior dominant rhythm (PDR) is present in the subject/participant Posterior dominant rhythm (PDR) present? Yes;No;Unable to determine;N/A Yes;No;Unable to determine;N/A (< four months of age) Alphanumeric

Unable to determine PDR: If sedated or asleep cannot assess, which is different than absent despite having state which could be assessed.

Adult;Pediatric Supplemental 1.00 2017-04-12 11:38:51.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54806 EEG exhibit feature consistent ischemia status EEGExhibFeatrCnstntIschmiaStat Status of features consistent with ischemia that are present on the electroencephalogram (EEG) Status of features consistent with ischemia that are present on the electroencephalogram (EEG) EEG features consistent with ischemia No;Attributed to vasospasm;From other cause of ischemia, specify No;Attributed to vasospasm;From other cause of ischemia, specify Alphanumeric

EEG ischemia: In the interpretation of the treating team there were EEG findings indicating brain ischemia

Adult;Pediatric Supplemental 1.00 2017-04-12 12:52:17.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54864 EEG rhythmic periodic pattern multifocal prevalence category EEGRythPdPtnMultifoclPrvlncCat Category of prevalence of the multifocal rhythmic or periodic pattern observed on the electroencephalogram (EEG) Category of prevalence of the multifocal rhythmic or periodic pattern observed on the electroencephalogram (EEG) Prevalence of multifocal rhythmic or periodic patterns Abundant;Continuous;Frequent;Occasional;Rare Abundant (50–89% abundant);Continuous (>90% abundant);Frequent (10–49% abundant);Occasional (1–9% abundant);Rare (<1% abundant) Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 14:25:47.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C14575 EEG focal and generalized slowing localized regional lobar or multi-lobar type EEGFocalGenSlowLocRegLobarTyp Localized region of focal and generalized slowing based on electroencephalography (EEG). Localized region of focal and generalized slowing based on electroencephalography (EEG). Localized regional lobar or multilobar Left Frontal;Right Frontal;Left Parietal;Right Parietal;Left Occipital;Right Occipital;Left Temporal;Right Temporal Left Frontal;Right Frontal;Left Parietal;Right Parietal;Left Occipital;Right Occipital;Left Temporal;Right Temporal Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1]

Multiple Pre-Defined Values Selected

C54841 EEG rhythmic periodic pattern general prevalence percent value EEGRhythPrdPtnGnlzPrvlncPctVal Percent value of the electroencephalogram (EEG) record that includes the generalized rhythmic or periodic pattern Percent value of the electroencephalogram (EEG) record that includes the generalized rhythmic or periodic pattern Prevalence of generalized rhythmic or periodic patterns (specify % of record that includes the pattern) Numeric Values Adult;Pediatric Supplemental 1.00 2017-04-12 14:25:47.0 Electroencephalography (EEG) [php] [php_1]

Free-Form Entry

0 100 Percent
C54875 EEG artifact breach status EEGArtifactBreachStat Status of breach artifact presence on the electroencephalogram (EEG) Status of breach artifact presence on the electroencephalogram (EEG) Breach artifact None;Present and preventing interpretation of EEG;Present but able to interpret EEG None;Present and preventing interpretation of electroencephalogram;Present but able to interpret electroencephalogram Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 15:35:41.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C18973 EEG full ictal propagation location other text EEGFullIctalPropagationLocOTH The free-text field related to 'EEG full ictal propagation location type' specifying other text. The location on electroencephalogram (EEG) for full ictal propagation The free-text field related to 'EEG full ictal propagation location type' specifying other text. The location on electroencephalogram (EEG) for full ictal propagation Other, specify Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1] 4000

Free-Form Entry

C54854 EEG rhythmic periodic lateralized pattern clinical correlate type EEGRythmPrdcLtlzdPtnClnCrltTyp Type(s) of clinical correlate(s) observed for the lateralized rhythmic or periodic pattern on the electroencephalogram (EEG) Type(s) of clinical correlate(s) observed for the lateralized rhythmic or periodic pattern on the electroencephalogram (EEG) Clinical correlate of lateralized rhythmic or periodic patterns None;Facial twitching;Eye deviation;Minor muscle movements;Convulsive movement of the extremeties None;Facial twitching;Eye deviation;Minor muscle movements;Convulsive movement of the extremeties Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 14:42:17.0 Electroencephalography (EEG) [php] [php_1]

Multiple Pre-Defined Values Selected

C14548 EEG prolonged duration type EEGProlongedDurTyp The length of time for the prolonged electroencephalogram (EEG) The length of time for the prolonged electroencephalogram (EEG) Prolonged EEG duration Less than 24 hours;Greater than or equal to 24 hours;N/A;Other, specify Less than 24 hours;Greater than or equal to 24 hours;N/A;Other, specify Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54788 PDR relaxed wakeful frequency value PDRRelaxedWakefulFreqVal Value in Hertz of the frequency of the posterior dominant rhythm (PDR) during relaxed wakefulness Value in Hertz of the frequency of the posterior dominant rhythm (PDR) during relaxed wakefulness Frequency of the posterior dominant rhythm during relaxed wakefulness Numeric Values

Round to the closest 0.5 Hz

Adult;Pediatric Supplemental 1.00 2017-04-12 11:43:22.0 Electroencephalography (EEG) [php] [php_1]

Free-Form Entry

Hertz
C54808 EEG exhibit feature ischemia other cause text EEGExhibFeatrIschmiaOhrCausTxt The free-text field related to 'EEG exhibit feature consistent ischemia status' specifying other cause of ischemia The free-text field related to 'EEG exhibit feature consistent ischemia status' specifying other cause of ischemia From other cause of ischemia, specify Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 12:56:01.0 Electroencephalography (EEG) [php] [php_1] 255

Free-Form Entry

C54865 EEG rhythmic periodic pattern multifocal prevalence percent value EEGRythPdPtnMltfoclPvlcPctVal Percent value of the electroencephalogram (EEG) record that includes the multifocal rhythmic or periodic pattern Percent value of the electroencephalogram (EEG) record that includes the multifocal rhythmic or periodic pattern Prevalence of multifocal rhythmic or periodic patterns (specify % of record that includes the pattern) Numeric Values Adult;Pediatric Supplemental 1.00 2017-04-12 14:25:47.0 Electroencephalography (EEG) [php] [php_1]

Free-Form Entry

0 100 Percent
C14583 EEG ictal onset location type EEGIctalOnsetLocTyp The location on electroencephalogram (EEG) for ictal onset The location on electroencephalogram (EEG) for ictal onset Ictal onset: location on EEG Localized focal;Localized regional lobar or multilobar;Hemispheric;Generalized;No localized onset, specify;Other, specify Localized focal;Localized regional lobar or multilobar;Hemispheric (side);Generalized;No localized onset, specify;Other, specify Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1]

Multiple Pre-Defined Values Selected

C54843 EEG rhythmic periodic pattern generalized frequency value EEGRhythmPeriodPtrnGnlzdFrqVal Value in cycles per second of the frequency of the generalized rhythmic or periodic pattern observed on the electroencephalogram (EEG) Value in cycles per second of the frequency of the generalized rhythmic or periodic pattern observed on the electroencephalogram (EEG) Frequency of generalized rhythmic or periodic patterns (cycles per second) Numeric Values Adult;Pediatric Supplemental 1.00 2017-04-12 14:36:43.0 Electroencephalography (EEG) [php] [php_1]

Free-Form Entry

Cycles per second
C54876 EEG artifact muscle status EEGArtifactMuscleStat Status of muscle artifact presence on the electroencephalogram (EEG) Status of muscle artifact presence on the electroencephalogram (EEG) Muscle artifact None;Present and preventing interpretation of EEG;Present but able to interpret EEG None;Present and preventing interpretation of electroencephalogram;Present but able to interpret electroencephalogram Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 15:35:41.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C19055 EEG duration other text EEGDurationOTH The free-text field related to 'EEG duration' specifying other text. The length of time for the Electroencephalography (EEG) The free-text field related to 'EEG duration' specifying other text. The length of time for the Electroencephalography (EEG) Other, specify Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1] 4000

Free-Form Entry

C54789 EEG background symmetry category EEGBackgroundSymmetryCat Category of background symmetry related to the electroencelphalogram (EEG) Category of background symmetry related to the electroencelphalogram (EEG) Background symmetry categorized as Symmetric;Marked asymmetry;Mild asymmetry Symmetric;Marked asymmetry (>50% amplitude or >1 Hz frequency asymmetry);Mild asymmetry (consistent assymmetry in amplitude on referntial recording of <50%, or consistent asymmetry in frequency of 0.5–1 Hz) Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 11:46:59.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54855 EEG rhythmic periodic pattern bilateral independent category EEGRythmPrdPtrnBilatIndptCat Category(ies) of bilateral independent rhythmic or periodic patterns observed on the electroencephalogram (EEG) Category(ies) of bilateral independent rhythmic or periodic patterns observed on the electroencephalogram (EEG) Bilateral independent rhythmic or periodic patterns None;Spike-wave;Periodic discharges;Rhythmic delta activity None;Spike-wave (includes sharp-wave and polyspike-wave);Periodic discharges (>= 6 cycles);Rhythmic delta activity (>= 6 cycles) Alphanumeric

Choose all that apply

Adult;Pediatric Supplemental 1.00 2017-04-12 14:21:55.0 Electroencephalography (EEG) [php] [php_1]

Multiple Pre-Defined Values Selected

C14550 EEG video indicator EEGVideoInd A test involving simultaneous electroencephalogram (EEG) and video recording. A test involving simultaneous Electroencephalography (EEG) and video recording. Video? No;Yes;Unknown;Other specify No;Yes;Unknown;Other specify Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54810 qEEG ischemia detection type qEEGIschmiaDetectnTyp Type of method by which ischemia was detected on the quantitative electroencephalogram (qEEG) Type of method by which ischemia was detected on the quantitative electroencephalogram (qEEG) qEEG detected ischemia None;Other;Asymmetry index;Alpha delta ratio;Relative alpha variability None;Other;Asymmetry index;Alpha delta ratio;Relative alpha variability Alphanumeric

qEEG ischemia: Indicate which qEEG parameters indicated brain ischemia

Adult;Pediatric Supplemental 1.00 2017-04-12 12:58:40.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54866 EEG rhythmic periodic pattern multifocal frequency value EEGRythPdPtnMltifoclFrqVal Value in cycles per second of the frequency of the multifocal rhythmic or periodic pattern observed on the electroencephalogram (EEG) Value in cycles per second of the frequency of the multifocal rhythmic or periodic pattern observed on the electroencephalogram (EEG) Frequency of multifocal rhythmic or periodic patterns (cycles per second) Numeric Values Adult;Pediatric Supplemental 1.00 2017-04-12 14:36:43.0 Electroencephalography (EEG) [php] [php_1]

Free-Form Entry

Cycles per second
C17425 EEG duration EEGDuration The length of time for the Electroencephalography (EEG) The length of time for the Electroencephalography (EEG) Routine EEG duration 1 hour or less;1-2 hours;2 hours;Greater than 2 hours;N/A;Other, specify: 1 hour or less;1-2 hours;2 hours;Greater than 2 hours;N/A;Other, specify: Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54844 EEG rhythmic periodic generalized pattern evolve type EEGRhythmPeriodGnlzdPtnEvlvVal Type(s) of evolution observed for generalized rhythmic or period patterns on the electroencephalogram (EEG) Type(s) of evolution observed for generalized rhythmic or period patterns on the electroencephalogram (EEG) Evolving generalized rhythmic or periodic patterns None;Frequency;Location;Morphology None;Frequency;Location;Morphology Alphanumeric

Choose all that apply. Evolution of rhythmic or periodic patterns: • Frequency: Change in the same direction for two consecutive time periodsby at least 0.5/s. • Morphology: = 2 consecutive changes to a novel morphology • Location: Spread into or sequentially out of at least two standard 10-20 electrode locations.

Adult;Pediatric Supplemental 1.00 2017-04-12 14:36:43.0 Electroencephalography (EEG) [php] [php_1]

Multiple Pre-Defined Values Selected

C54877 EEG artifact ventilator status EEGArtifactVentilatorStat Status of ventilator artifact presence on the electroencephalogram (EEG) Status of ventilator artifact presence on the electroencephalogram (EEG) Ventilator artifact None;Present and preventing interpretation of EEG;Present but able to interpret EEG None;Present and preventing interpretation of electroencephalogram;Present but able to interpret electroencephalogram Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 15:35:41.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54778 EEG monitoring type other text EEGMonitoringTypeOTH The free-text fiel related to 'EEG Monitoring Type' specifying other text The free-text fiel related to 'EEG Monitoring Type' specifying other text Other, specify Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 10:35:38.0 Electroencephalography (EEG) [php] [php_1] 255

Free-Form Entry

C54790 EEG background predominant frequency category EEGBackgroundPredominntFreqCat Category of the predominant background frequency related to the electroencephalogram (EEG) Category of the predominant background frequency related to the electroencephalogram (EEG) Predominant EEG background frequency Unable to determine - artifact contaminated;Alpha or greater;Delta;Theta Unable to determine - artifact contaminated;Alpha or greater (>=7 Hz);Delta (1–4 Hz);Theta (4–7 Hz) Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 11:52:36.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54856 EEG rhythmic periodic pattern bilateral independent type EEGRythmPrdPtrnBilatIndpdtTyp Type of bilateral independent rhythmic or periodic pattern observed on the electroencephalogram (EEG) Type of bilateral independent rhythmic or periodic pattern observed on the electroencephalogram (EEG) Type of bilateral independent rhythmic or periodic patterns Unilateral asymmetric;Bilateral asymmetric;Lobes most involved;Hemispheric Unilateral asymmetric;Bilateral asymmetric;Lobes most involved;Hemispheric Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 14:25:47.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C14551 EEG behavioral state recorded type EEGBehavioralStateRecordedTyp The recorded state(s) of the subject during the electroencephalogram (EEG) The recorded state(s) of the subject during the Electroencephalography (EEG) Behavioral states recorded Awake;Asleep;Unresponsive state;Indeterminate;Other, specify Awake;Asleep;Unresponsive state;Indeterminate;Other, specify Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1]

Multiple Pre-Defined Values Selected

C54822 Seizure electrographic indicator SeiaureElectrographicInd Indocator of whether an electrographic seizure was found via electroencephalogram (EEG) Indocator of whether an electrographic seizure was found via electroencephalogram (EEG) Electrographic seizures No;Yes No;Yes Alphanumeric

Electrographic seizures: Pattern has to last at least 10 min in patients with qualitative or quantitative impairment of consciousness. The following criteria qualify: (1) epileptiform discharges at >2.5 per second or (2) improvement after treatment with typical ictal spatiotemporal evolution or subtle ictal clinical phenomena with epileptiform discharges/rhythmic activity >0.5 per second.

Adult;Pediatric Supplemental 1.00 2017-04-12 13:50:52.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54867 EEG rhythmic periodic multifocal pattern evolve type EEGRythmPrdPtnMultfoclEvlvVal Type(s) of evolution observed for multifocal rhythmic or period patterns on the electroencephalogram (EEG) Type(s) of evolution observed for multifocal rhythmic or period patterns on the electroencephalogram (EEG) Evolving multifocal rhythmic or periodic patterns None;Frequency;Location;Morphology None;Frequency;Location;Morphology Alphanumeric

Choose all that apply. Evolution of rhythmic or periodic patterns: • Frequency: Change in the same direction for two consecutive time periodsby at least 0.5/s. • Morphology: = 2 consecutive changes to a novel morphology • Location: Spread into or sequentially out of at least two standard 10-20 electrode locations.

Adult;Pediatric Supplemental 1.00 2017-04-12 14:36:43.0 Electroencephalography (EEG) [php] [php_1]

Multiple Pre-Defined Values Selected

C17428 EEG posterior dominant rhythm normal for age status EEGPDRNormalAgeStatus The status for whether assessment of electroencephalography (EEG) posterior dominant rhythm (PDR) is normal. The status for normal assessment of EEG posterior dominant rhythm. EEG background and PDR normal for age? Yes;No - PDR slow, disorganized or absent, or background slow;EEG data not adequate to assess background and PDR Yes;No - PDR slow, disorganized or absent, or background slow;EEG data not adequate to assess background and PDR Alphanumeric Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54846 EEG rhythmic periodic generalized pattern clinical correlate type EEGRythmPrdcGnlzdPtnClnCrltTyp Type(s) of clinical correlate(s) observed for the generalized rhythmic or periodic pattern on the electroencephalogram (EEG) Type(s) of clinical correlate(s) observed for the generalized rhythmic or periodic pattern on the electroencephalogram (EEG) Clinical correlate of generalized rhythmic or periodic patterns None;Facial twitching;Eye deviation;Minor muscle movements;Convulsive movement of the extremeties None;Facial twitching;Eye deviation;Minor muscle movements;Convulsive movement of the extremeties Alphanumeric

Choose all that apply

Adult;Pediatric Supplemental 1.00 2017-04-12 14:42:17.0 Electroencephalography (EEG) [php] [php_1]

Multiple Pre-Defined Values Selected

C54878 EEG artifact electrical status EEGArtifactElectricalStat Status of electrical artifact presence on the electroencephalogram (EEG) Status of electrical artifact presence on the electroencephalogram (EEG) Electrical artifact None;Present and preventing interpretation of EEG;Present but able to interpret EEG None;Present and preventing interpretation of electroencephalogram;Present but able to interpret electroencephalogram Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 15:35:41.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54779 EEG video other text EEGVideoOTH The free-text field related to 'EEG video indicator' specifying other text The free-text field related to 'EEG video indicator' specifying other text Other, specify Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 10:43:53.0 Electroencephalography (EEG) [php] [php_1] 255

Free-Form Entry

C54793 EEG voltage background measurement category EEGVoltgBckgrdMeasrmntCat Category of the background voltage measurement obtained as part of the electroencephalogram (EEG) Category of the background voltage measurement obtained as part of the electroencephalogram (EEG) Voltage Normal;Suppressed;Low Normal;Suppressed (all activity < 10 microvolts);Low (most < 20 microvolts in longitudinal bipolar with standard 10-20 electrodes) Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 12:02:44.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54857 EEG rhythmic periodic pattern bilateral independent prevalence category EEGRythPdPtnBilatIndtPrvlncCat Category of prevalence of the bilateral independent rhythmic or periodic pattern observed on the electroencephalogram (EEG) Category of prevalence of the bilateral independent rhythmic or periodic pattern observed on the electroencephalogram (EEG) Prevalence of bilateral independent rhythmic or periodic patterns Abundant;Continuous;Frequent;Occasional;Rare Abundant (50–89% abundant);Continuous (>90% abundant);Frequent (10–49% abundant);Occasional (1–9% abundant);Rare (<1% abundant) Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 14:25:47.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C14559 EEG recording start date and time EEGRecordingStrtDateTime Date (and time, if applicable and known) the electroencephalogram (EEG) recording began Date the electroencephalogram (EEG) recording began Date EEG recorded: Date or Date & Time Adult;Pediatric Supplemental 3.00 2013-08-28 16:08:00.453 Electroencephalography (EEG) [php] [php_1]

Free-Form Entry

C54824 Seizure electrographic duration typical category SeizurElctrogrphcDratnTypclCat Category of the typical duration of electrographic seizure for the subject/participant Category of the typical duration of electrographic seizure for the subject/participant Typical electrographic seizure duration (any individual seizure) None;Brief rhythmic discharge;Short;>30 min;Prolonged None;Brief rhythmic discharge (<10 sec);Short (>=10 sec but <5 min);>30 min;Prolonged (5 to 30 min) Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 13:53:04.0 Electroencephalography (EEG) [php] [php_1]

Single Pre-Defined Value Selected

C54868 EEG rhythmic periodic multifocal pattern clinical correlate type EEGRythPdcMltfclPtnClnCrltTyp Type(s) of clinical correlate(s) observed for the multifocal rhythmic or periodic pattern on the electroencephalogram (EEG) Type(s) of clinical correlate(s) observed for the multifocal rhythmic or periodic pattern on the electroencephalogram (EEG) Clinical correlate of multifocal rhythmic or periodic patterns None;Facial twitching;Eye deviation;Minor muscle movements;Convulsive movement of the extremeties None;Facial twitching;Eye deviation;Minor muscle movements;Convulsive movement of the extremeties Alphanumeric Adult;Pediatric Supplemental 1.00 2017-04-12 14:42:17.0 Electroencephalography (EEG) [php] [php_1]

Multiple Pre-Defined Values Selected

CSV