International Scholarly Research Notices / 2014 / Article / Tab 4

Review Article

Brachial Plexus Injuries in Adults: Evaluation and Diagnostic Approach

Table 4

Neurophysiological findings in traumatic peripheral nerve injuries, in each category, respectively, according to Seddon classification.

NeurapraxiaAxonotmesisNeurotmesis

Conduction velocityUsually normalNormal/mild reductionAbsent
CMAP frequencyNormal/reducedReducedAbsent
SNAP frequencyReducedReducedAbsent
Abnormal spontaneous potentials in EMGAbsentProbably presentPresent

Source: [8].

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