Case Report
Thiamine Deficiency Neuropathy in a Patient with Malnutrition due to Melancholic Depression
Table 1
Results of electromyography showing absent amplitude response of the lower limbs sensory nerve and significant reduction of the upper limb amplitudes.
| Nerve | Latency (ms) | Amplitude (µv) | Speed (m/s) | Surface (µV × ms) | Duration (ms) | Distance (mm) |
| Left median sensory | Digit 2-wrist | 3.94 | 9.7 | 35.5 | 15.2 | 3.9 | 140 | Right superficial fibular sensory | Leg–ankle | — | — | — | — | — | 100 | Left radial sensory | Forearm-D1 | 3.46 | 3.5 | 28.9 | 1.39 | 2.1 | 100 | Left sural sensory | Leg–ankle | — | — | — | — | — | 140 | Right ulnar sensory | D5-wrist | 3.09 | 1.79 | 38.8 | 0.55 | 1.91 | 120 |
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