| 释义 |
hypsarrhythmia, n. Path.|hɪpsəˈrɪθmɪə|
[f. hypso- + arrhythmia n.]
Severely abnormal brain activity characterized by recurrent irregular spikes and slow waves in the electroencephalogram, which is usually associated with epileptic (so-called ‘salaam’ or ‘infantile’) spasms in infants.
1952F. A. & E. L. Gibbs Atlas Electroencephalogr. II. vi. 24/1 The abnormality is almost continuous, and in most cases it shows as clearly in the waking as in the sleeping record. It is referred to as hypsarhythmia [sic] (the prefix hypsi, meaning high or lofty, elided with arhythmia). 1962W. R. Brain Dis. Nervous Syst. (ed. 6) xx. 790 Hypsarrhythmia is associated with mental subnormality. 1981L. G. Kiloh et al. Clin. Electroencephalogr. (ed. 4) v. 117 Hypsarrhythmia..is a term applied to a particular EEG pattern commonly found in infants and children with multiple brain lesions.
Hence hypsaˈrrhythmic a.
1977Lancet 29 Jan. 236/2 Electroencephalograms in such patients may have a hypsarrhythmic pattern of random multifocal spikes. 1981L. G. Kiloh et al. Clin. Electroencephalogr. (ed. 4) v. 118 Hypsarrhythmic EEGs. |