EMG stuff Flashcards
1
Q
What are positive sharp waves, and what do they represent?
A
Spontaneous discharges of muscle fibers 2/2 impaired innervation of the muscle being tested
2
Q
What are fibrillation potentials, what do they mean?
A
acute or ongoing impaired innervation
3
Q
What are complex repetitive discharges?
A
Groups of spontaneously firing action potentials, seen in longstanding disorders of muscle
4
Q
Temporal dispersion on CMAP testing is generally indicative of what pathology?
A
Acquired demyelinating diseases
