Neurophysiology Flashcards
1
Q
What are the three main modalities in neurophysiology?
A
EEG, nerve conduction studies, evoked potentials
2
Q
Patient present with foot drop. Where could the lesion be?
A
working distal to proximal: common peroneal nerve, sciatic nerve, sacral plexus, L4/5 S1 root lesion
3
Q
Which modality is used to diagnose GBS?
A
nerve conduction studies
4
Q
Which modality is used to support diagnosis of myasthenia gravis?
A
repetitive stimulation
5
Q
What is EMG used for?
A
=electromyography
motor neuron disease
6
Q
Which modalities are used to assess CNS structures?
A
EEG and evoked potentials
7
Q
Where might EEG be performed?
A
routine outpatient
urgent inpatient (ward, ICU)
Ambulatory monitoring
In patient videotelemetry
8
Q
Why are EEG’s useful following a seizure?
A
prognostic classify epilepsy (if >2 unprovoked)
