spike and wave complex

spike and wave com·plex

a generalized, synchronous pattern seen on the electroencephalogram, consisting of a sharply contoured fast wave followed by a slow wave; particularly found in patients with generalized epilepsies. Spike and wave complexes are often characterized by their frequency, for example, slow spike and wave, fast spike and wave.
References in periodicals archive ?
The EEG diagnosis of kindling was a spontaneous appearance of characteristic pathological wave forms (spike potentials, sharp waves, spike and wave complex) presence whose appeared unequally among the observed cases.