Occasional essay: Upper motor neuron syndrome in amyotrophic lateral sclerosis
The diagnosis of amyotrophic lateral sclerosis (ALS) requires recognition of both lower motor neuron (LMN) and upper motor neuron (UMN) dysfunction.1 However, classical UMN signs are frequently difficult to identify in ALS.2 LMN involvement is sensitively detected by electromyography (EMG),3 but, as...
| Những tác giả chính: | , , , , , , |
|---|---|
| Định dạng: | Journal article |
| Ngôn ngữ: | English |
| Được phát hành: |
BMJ Publishing Group
2020
|