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Spontaneous potentials in premature and full-term infants
Archives of Physical Medicine and Rehabilitation
|March 1, 1976
Summary
Spontaneous potentials in infant electromyograms typically resolve by three months. Persistence may indicate neurological or metabolic disorders, unrelated to lower motor neuron issues.
Area of Science:
- Neurology
- Pediatrics
- Clinical Electrophysiology
Background:
- Spontaneous potentials are observed in electromyograms (EMGs) of neonates.
- These potentials usually resolve within the first three months of life as infants mature.
Purpose of the Study:
- To highlight the significance of persistent spontaneous potentials in infant EMGs.
- To inform electromyographers about the potential association of these potentials with non-lower motor neuron disorders.
Main Methods:
- Analysis of electromyogram (EMG) findings in infants.
- Correlation of spontaneous potential presence with infant age and neurological status.
Main Results:
- Spontaneous potentials are a normal finding in premature and full-term infants.
- These potentials typically disappear by three months of age.
- Persistence of spontaneous potentials can be observed in infants with cerebral or metabolic disorders.
Conclusions:
- Persistent spontaneous potentials in infant EMGs may suggest underlying cerebral or metabolic conditions.
- Electromyographers should consider these findings in the differential diagnosis of infant neurological disorders, even when lower motor neuron involvement is not suspected.