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Table 1 Electromyography with results of motor conduction study

From: Bilateral brachial plexus injury following acute carbon monoxide poisoning

Nerves DML (ms) Distal CMAP amplitude (mV) Proximal CMA Motor conduction velocity (m/s) F wave (ms)
Muscles recorded Referential values Referential values P amplitude (mV) values Referential values Referential values
Right median 3.1 4.3 3.6 51.1 25.4
(APB) <4 > 5 > 5 > 48 <31
Right ulnar 2.8 8 6.6 52.6 25.8
(APM) <3.8 >.5 > 5 > 47 <31
Left median 3.1 0.7 0.5 62.9 32.4
(APB) <4 > 5 > 5 > 48 <31
Left ulnar 2.6 6.3 4.6 63.8 31.2
(APM) <3.8 > 5 > 5 > 47 <31
  1. APB: abductor pollicis brevis, APM: adductor pollicis muscle, DML: Distal motor latency, CMAP: compound muscle action potential.