SSEP Parameters Flashcards
1
Q
stim pulse duration
A
100-300 usec (.1-.3 m sec)
2
Q
repition rate
A
clinical: 3-5 Hz
intraop
- UE: 2-8Hz (up to 20Hz)
- LE: 2-10 Hz
3
Q
filter bandpass
A
cortical:
- LFF = 1-30 Hz
- HFF = 250 - 3k Hz (-3dB)
spinal cord:
- LFF: 100-200 Hz
- HFF: 1k-3k Hz (-3dB)
4
Q
sweep/analysis time (how many divisions in window from start to end)
A
cervical: 30-100msec
thoracolumbar: 75-150 sec
5
Q
trials (# of stimulus/recording samples)
A
cervical: 500-2000
thoracolumbar: 1000-3000
(300-500 may be sufficient with
good morphology)