Brachial plexopathy is a disorder involving the brachial plexus that can cause sensory and motor disturbances in the upper extremities. Nerve conduction study (NCS) is one of the diagnostic methods used to evaluate brachial plexopathy. This descriptive study aimed to determine the findings of nerve conduction studies in cases of brachial plexopathy at Arifin Achmad General Hospital of Riau Prov…