Spinal
Another name for the wake up test during spinal surgeries
Stagnara Test
The innermost membrane covering the brain
Pia mater
The blood supply of the obligate peak of N20
MCA
Accurate electrode placement of CP4 is most critical for the stimulation of what limb/nerve
Left hand/ MN and UN
FPZ and CZ are % away from each other
40%
In SSEPs, demyelinating disorders will most commonly produce?
Increased (delayed) latencies
In BAERs, this wave is eliminated by alternating clicks
Cochlear microphonics
An occlusion of which artery will cause hearing loss
AICA
The impendence of recording electrodes should be below (value and unit)
5Kohms
Direct stimulation of the CN can cause bradycardia
CN X- Vagus Nerve
Where the cell bodies of the motor spinal neurons sit?
Anterior/ Ventral horn of the spinal cord
Name of the opening between the brain and spinal cord
Foramen Magnum
This artery arises from the aorta to enter the spine between T9-T12
Adamkiewicz artery
The fastest frequency that can be recorded if the sampling rate is 4000Hz
2000Hz
How will the occlusion of the acomm affect SSEPs
No change
What is the major descending motor tract
Corticospinal tract
Which surgical approach will sacrifice hearing?
Translabryrinthin
The main arteries that enter the cranium
internal and basilar
Term used to describe a slower sampling rate for the recorded frequency
Aliasing
The Node of Ranvier is the space between
Schwann Cells
During an ACDF, a loss of N20 with a preservation of N13 is consisted with
Compression of the carotid
After discharges occur after what
Direct cortical stimulation
Cell savers main function
Autologous Transfusion
What is the time from the beginning to the end of each evoked potential?
Analysis Time
What tract relays pain and temperature to the cortex?
Spinothalamic Tract