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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Muscle Nerve. 2021 Jan 19;63(4):516–524. doi: 10.1002/mus.27159

Figure 2.

Figure 2.

Algorithm for Electrodiagnostic Testing of Congenital Facial Weakness. Serial testing of Facial NCS, Limb NCS, NEMG, and possible RNS and SFEMG. (Abbreviations: CN7 – cranial nerve 7, CMAP – compound muscle action potential, NCS – nerve conduction studies, EMG – electromyography, small pp mu – small polyphasic motor unit potentials, RNS – repetitive nerve stimulation, SFEMG – single fiber EMG, HCFP – Hereditary Congenital Facial Paresis, Ryr – Ryanodine)