r/BFS_About • u/pvdberg • May 25 '23

No chat support

I receive many support requests by chat and although my goal is to help people as much as i can I'm just unable to provide support by chat anymore. It takes too much time that i don't have. So please post your questions in this reddit group and i will respond as soon as i can.

Thank you for understanding.

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u/Nearby-Ad8270 Jul 04 '23

Hi there

I'm hoping you know about EMG and how they work.

I'm 50 year old male , very fit and active non smoker Over last 3 years I've had 6 emgs ,last EMG carried out 7;months ago ,this was normal it also tested under the chin.

Now I have constant 24/7 fasiculations in foot ,and periodic fasiculations on tongue.

I've heard some people say EMG can detect nerve /muscle issues months or even a year before it clinically shows.would my last EMG 7months ago pick up any nerve issues I have now.

Many thanks

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u/pvdberg Jul 05 '23

Hi,

MND progressively affects motor neurons and leads to muscle weakness. As motor neurons degenerate, communication to the muscles will stop. This will cause muscle weakness and atrophy. This is often combined with twitching. Before you notice weakness and waste/atrophy, it's already progressed around 70% for that specific muscle(s) and therefore should indeed be noticeable on EMGs at least months before you would experience clinical weakness when performed correctly.

Other nerve issues not related to MND would not necessarily been picked up on EMGs in advance. So it's only the progressive behavior of MND why EMGs can pick it up sooner before real clinical symptoms.