Hypsarrhythmia is abnormal interictal high amplitude waves and a background of irregular spikes. There is continuous (during wakefulness), high-amplitude (>200 Hz), generalized polymorphic slowing with no organized background and multifocal spikes demonstrated by electroencephalography (EEG). [ https://orcid.org/0000-0002-0736-9199 ]
Synonyms: Hypsarrhythmia by EEG
This is just here as a test because I lose it