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University Health Network has grown to be one of the largest research and teaching hospital networks in Canada - pioneers in improving the lives of patients. Our long history of health professions education at Toronto General, Toronto Western, Princess Margaret and Toronto Rehab hospitals has consistently advanced the science of education.
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Electromyography (EMG) is a technique for evaluating and recording the electrical activity produced by your muscles. Nerve Conduction Studies (NCS) is used to evaluate the function of the nerves.
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Please bring with you a list of your current medications. This includes prescription medications, over-the-counter medications, vitamin or mineral supplements and herbal remedies.
Shower or bathe and DO NOT apply any lotions or creams to your skin.
You may eat a normal diet and take your medications as prescribed by your doctor EXCEPT if you have myasthenia gravis, do not take Mestinon before the test.
Wear comfortable clothing with a front button/zipper (NO pullovers).
When you arrive at the Neurophysiology Lab, check in at the reception desk. Please have the following ready:
Tell the doctor or technologist before the test if you are on blood thinners or have hemophilia.
Tell the doctor or technologist if you have a cardiac pacemaker or use a transcutaneous nerve stimulator.
To conduct an EMG procedure, the physician puts a fine needle into a muscle. You will be asked to make movements and the activity will be recorded.
To conduct the nerve conduction studies, we put strips at different places along the nerve and muscle and apply short pulses to elicit a nerve/muscle response. Some people find the test uncomfortable.
No specific care is required after the test. You may develop some mild bruising where the needle was inserted.
You will be seen by a technologist and a doctor during the test. It may take up to three hours depending on what is requested by the referring doctor.
You will be contacted with information about your first appointment.
Please bring the following to your appointment. Not all of these items may be needed for your appointment. Our clinic or your referring doctor will let you know what you must bring.
Please arrive 15 minutes before your appointment.
When you arrive, you will sign in with the receptionist. You will need your health card (OHIP card) to sign-in. If you do not have an OHIP card, please bring another form of government-issued photo ID, such as a driver’s license or passport.
You may be given a Measuring Health Equity Questionnaire to fill out. This form contains questions about your background. We collect this information to find out who we serve and what unique needs you may have. The form is voluntary and you can choose ‘prefer not to answer’ to any or all questions. However, the information you choose to give us will help us improve the quality of care for you and others.
First appointments take longer than follow-up appointments. Your first appointment can take 2 hours or more. Follow-up appointments usually take 15 to 30 minutes. We do everything we can to stay on time but sometimes unforeseen circumstances may delay your appointment.
At the end of your first appointment, the nurse or doctor will give you a contact list for your health care team. If you don’t get a contact list, feel free to ask for it.
After every appointment, a member of your health care team will tell you about your next visit. Be sure you understand what is going to happen next. For example, know the time and place of your next visit or if someone will call you with this information.
If you are unsure about what your next steps are, don’t be afraid to ask a member of your team. We are here to help you.
We understand that reaching us by phone can sometimes be difficult. Often our phone lines are busy or are turned over to the message centre so our staff can prepare for clinic visits or help other patients. We make every effort to return your call within 24 hours. Our staff will try to reach you 2 times. If we are not able to reach you directly you may need to call us again.