41: Approach to Pediatric EMG

Question 1

Nerve CV’s are _____ m/s at birth in normal babies; reaching ______% by 1 year, and reach adult range by when?

Answer 1

25-30;
75;
age 3-5

Question 2

What can be seen on NCS in kids that is normal in setting of timing of myelination?

Answer 2

Bifid morphology (e.g. bifid sural)

Question 3

What NCS value can be shortened in kids compared to adults? How do MUAP’s appear even in normal infants?

Answer 3

F-response;

Very small, and can appear myopathic