Fig. 2From: Late-onset MELAS syndrome with mtDNA 14453G→A mutation masquerading as an acute encephalitis: a case reportEEG findings. Electroencephalography (EEG) performed on admission revealed poorly organized background activity with periodic lateralized epileptiform discharges (PLEDs), which manifested as high- amplitude, periodic, sharp, transient waves occurring every 1.0–1.5 s(S) over the right temporo-occipital areaBack to article page