Attachment Last Update January 1, 2023 Extension .pdf Print Code WL85-0335 Language English Location QEII Health Sciences Centre Creator EMG/EEG Department, QE II An EMG is a test that uses electricity to check how your nerves and muscles are working. This pamphlet explains how to get ready for an EMG, how an EMG is done, how long it will take, and when you will get the results.