13 September 2025
: Case report 
Guillain-Barré Syndrome Secondary to Snake Bite: A Report of a Rare and Fatal Case
Unknown etiology, Unusual clinical course, Challenging differential diagnosis, Unusual or unexpected effect of treatment, Rare disease, Clinical situation which can not be reproduced for ethical reasons
Parth Mukeshbhai Dhamelia ABCDEF 1*, Dipak R. Mokariya ABDEF 1, Jaspreet Singh Anand EF 1, Pragyat Futela EF 2, Aleksandra Murawska Baptista EF 3, Abhinav Singla ABCDEF 3DOI: 10.12659/AJCR.948917
Am J Case Rep 2025; 26:e948917
Table 3 Motor nerve conduction studies, suggestive of demyelination with axonopathy in bilateral peroneal nerves, and demyelination to lesser extent in upper-limb nerves as well.
| Nerve/sites | Muscle | Latency (ms) | Amplitude (mV) | Duration (ms) | Area (mVms) | Segment | Distance (cm) | Lat Diff (ms) | Velocity (m/s) |
|---|---|---|---|---|---|---|---|---|---|
| R Median – Wrist | APB | 3.58 | 4.0 | 7.8 | 16.7 | Wrist–APB | – | – | – |
| R Median – Elbow | APB | 8.42 | 3.9 | 7.7 | 15.7 | Elbow–Wrist | 21 | 4.83 | 43 (↓) |
| L Median – Wrist | APB | 3.92 | 3.3 | 7.9 | 14.5 | Wrist–APB | – | – | – |
| L Median – Elbow | APB | 8.67 | 3.2 | 7.4 | 13.7 | Elbow–Wrist | 21 | 4.75 | 44 (↓) |
| R Ulnar – Wrist | ADM | 3.15 | 5.9 | 5.9 | 16.7 | Wrist–ADM | – | – | – |
| R Ulnar – Below elbow | ADM | 8.00 | 5.8 | 6.0 | 17.2 | B. Elbow–Wrist | 22 | 4.85 | 45 (↓) |
| L Ulnar – Wrist | ADM | 2.54 | 4.3 | 8.9 | 17.0 | Wrist–ADM | – | – | – |
| L Ulnar – Below elbow | ADM | 7.63 | 4.1 | 10.0 | 16.3 | B. Elbow–Wrist | 22 | 5.08 | 43 (↓) |
| R Peroneal – Ankle | EDB | 4.31 | 0.8 (↓) | 9.8 | 3.2 | Ankle–EDB | 8 | – | – |
| R Peroneal – B. Fib Hd | EDB | 13.29 (↑) | 0.8 | 11.1 | 3.7 | B. Fib Hd–Ankle | 31 | 8.98 (↑) | 35 (↓) |
| L Peroneal – Ankle | EDB | 4.23 | 1.1 (↓) | 9.7 | 5.1 | Ankle–EDB | 8 | – | – |
| L Peroneal – B. Fib Hd | EDB | 12.69 (↑) | 0.9 | 10.3 | 4.1 | B. Fib Hd–Ankle | 31 | 8.46 (↑) | 37 (↓) |
| R Tibial – Ankle | AH | 5.88 | 1.8 (↓) | 8.3 | 5.2 | Ankle–AH | 8 | – | – |
| R Tibial – Knee | AH | 14.21 (↑) | 1.6 | 11.3 | 6.7 | Knee–Ankle | 41 | 8.33 (↑) | 49 |
| L Tibial – Ankle | AH | 6.23 | 2.5 | 7.7 | 8.4 | Ankle–AH | 8 | – | – |
| L Tibial – Knee | AH | 15.17 (↑) | 2.3 | 10.6 | 9.5 | Knee–Ankle | 40 | 8.94 (↑) | 45 (↓) |
| R – right; L – left; APB – abductor pollicis brevis; ADM – abductor digiti minimi; EDB – extensor digitorum brevis; AH – abductor hallucis; B. Fib Hd – below fibular head; Lat Diff – latency difference (between 2 stimulation sites). | |||||||||