Hi jane, I've had the EMG (Electrocute Marvin Giles) twice. The first time it was used to diagnose my Spinal Muscular Atrophy when I was about 15. The second time I chose to have it. We needed to determine if there had been any new nerve damage due to the SMA. That was some three years ago when my PD symptoms got so bad I had to find out what the problem was. Jane Koenig wrote: > Has anyone here undergone such tests? What was the outcome and, more > importantly,