Table 1

 Needle electromyography and nerve conduction findings of left arm on admission and day 15

Denervation activityInterference patternLatency (msec)Amplitude (mv)
AdmissionDay 15AdmissionDay 15AdmissionDay 15AdmissionDay 15
Myographic findings
Deltoid muscleModerately decreasedFull----
Biceps muscleModerately decreasedFull----
Brachioradial muscleModerately decreasedFull----
Neurographical findings
Erb-deltoid----4.93.50.516.3
Erb-biceps----5.14.01.210.2