Michael, Go to this URL, http://www.parkinson.org/ There are a number of test questionnaires you can fill in there and you will receive an answer. Best of luck to you and your Dad. just me, Marjorie At 04:41 PM 09/07/2000 -0400, you wrote: >Is rigidity a symptom of essential tremor as well as PD? All this talk >about misdiagnosis has me wondering about my dad. He exhibits no tremor, >but he does have rigidity. Is this a sure bet that it is PD and not ET? > >Michael, son of Wayne 70/69/67 > >See you at the Unity Walk! >_________________________________________________________________________ >Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. > >Share information about yourself, create your own public profile at >http://profiles.msn.com.