2HELPS2B ScoreLoading...Brief [ictal] rhythmic dischargesNo0Yes+1Presence of LPDs, LRDA, or BIPDsNo0Yes+1Prior seizureNo0Yes+1Sporadic epileptiform dischargesNo0Yes+1Frequency > 2.0 Hz for any periodic or rhythmic patternNo0Yes+1Presence of 'plus' featuresNo0Yes+1适用指征洞见与注意事项