Search on: DELTA RHYTHM 
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Descriptor English:   Delta Rhythm 
Descriptor Spanish:   Ritmo Delta 
Descriptor Portuguese:   Ritmo Delta 
Synonyms English:   Electroencephalography, Delta Rhythm  
Tree Number:   E01.370.376.300.175
E01.370.405.245.175
Definition English:   One of the four types of brain waves seen on EEG characterized by a high amplitude and a frequency of 4 Hz and below. They are considered the "deep sleep waves" observed during sleep in dreamless states, infancy, and in some brain disorders. 
Indexing Annotation English:   in EEG
History Note English:   91(75); was see under ELECTROENCEPHALOGRAPHY 1975-90 
Allowable Qualifiers English:  
AE adverse effects CL classification
CT contraindications DE drug effects
EC economics ES ethics
HI history IS instrumentation
MT methods MO mortality
NU nursing PX psychology
RE radiation effects ST standards
SN statistics & numerical data TD trends
UT utilization VE veterinary
Record Number:   3712 
Unique Identifier:   D003700 

Occurrence in VHL:
 

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