Related Experiment Video
Updated: May 30, 2026

06:29
Electrophysiological Measurement of Noxious-evoked Brain Activity in Neonates Using a Flat-tip Probe Coupled to Electroencephalography
Published on: November 29, 2017
Nerve conduction studies and needle EMG in very small children
1Department of Clinical Neurophysiology, Great Ormond Street Hospital for Children NHS Trust, London WC1N 3JH, United Kingdom. pittm@gosh.nhs.uk
Summary
Nerve conduction studies and needle electromyography (EMG) in infants are technically challenging but yield crucial diagnostic information. Adaptations in equipment and methods enable useful results for diagnosing pediatric neuromuscular disorders.
Area of Science:
- Pediatric Neurophysiology
- Neuromuscular Disorders
- Clinical Electrophysiology
Background:
- Nerve conduction studies (NCS) and needle electromyography (EMG) in children under two years present significant technical difficulties.
- Interpreting results relies heavily on practitioner experience due to limited comprehensive normative data.
Purpose of the Study:
- To highlight the feasibility and importance of NCS and needle EMG in very young children.
- To discuss common neuromuscular conditions diagnosed in this age group.
Main Methods:
- Adaptations in electrophysiological equipment and testing methodologies.
- Comparison of results with existing, albeit limited, normative data.
- Clinical interpretation based on experienced neurophysiologist assessment.
Main Results:
- Useful diagnostic results can be obtained in most cases with appropriate adaptations.
- Commonly diagnosed conditions include hypomyelinating neuropathy, SMARD, myotonic dystrophy, congenital myasthenic syndrome, and neonatal brachial plexopathy.
- Information obtained is vital for patient management.
Conclusions:
- NCS and needle EMG are feasible and rewarding in infants, providing essential diagnostic insights.
- More neurophysiologists should be encouraged to offer these services for pediatric neuromuscular conditions.

