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. 2015 Feb;4(1):19–26. doi: 10.3978/j.issn.2227-684X.2014.12.03

Figure 3.

Figure 3

Example of intraoperative partial recovery of LOS after left RLN traction injury during continuous IONM. The EMG degrades to LOS after a left RLN traction (star sign), and the EMG show a progressive partial recovery to 50% of baseline amplitude after the 5 minute after traction stress was released (triangle sign). LOS, loss of signal; IONM, intraoperative neuromonitoring; EMG, electromyography; RLN, recurrent laryngeal nerve.