EEG abnormality UMLS:C0151611 EEG abnormalities Electroencephalogram abnormal HP:0002353 SNOMEDCT_US:274521009 Electroencephalogram abnormalities Abnormal electroencephalogram HP:0006841 HP:0001346 Abnormal EEG Abnormality observed by electroencephalogram (EEG), which is used to record of the brain's spontaneous electrical activity from multiple electrodes placed on the scalp. HP:0002429 Abnormality of central nervous system electrophysiology