Absence seizures are characterized on EEG by
EEG shows generalized, symmetric, 3-Hz spike-and-wave discharge that begins and ends suddenly, superimposed on a normal EEG background. Ref - Harrison's internal medicine 20e pg3051-3052, 3060f
3 Hz spike and wave
1-2 Hz spike and wave
Generalized poly spikes
Hypsarrythmia
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