SSEP IOM Guidelines Exam Questions
& Answers (Grade A+)
What can it be used to asses? -
correct answer ✅Function of the somatosensory pathways
It is used when what anatomy is at risk? -
correct answer ✅Spinal cord, brainstem, cerebrum
It can localize what structure? -
correct answer ✅Somatosensory cortex
What type of stimulator is recommended? -
correct answer ✅Constant current stimulator
Contact impedance for electrodes should be at below what value? -
correct answer ✅5 Kohms
Where should the ground be placed to minimize the stimulus
artifact? -
correct answer ✅On the limb that is stimulated
What type of pulses should be used? -
correct answer ✅Monophasic rectangular pulses
, SSEP IOM Guidelines Exam Questions
& Answers (Grade A+)
What is the recommend pulse duration? -
correct answer ✅0.1 ms - 0.3 ms
What intensity is recommended for stimulation of UE and LE
peripheral nerves? -
correct answer ✅30 mA - 40 mA
Failure of stimulation may occure due to what factors? -
correct answer ✅Salt bridge or patient related factors (i.e. limb
edema, peripheral neuropathy, variant anatomy)
What is the risk of neurologic deficit resulting from spinal cord
damage in cases of surgical decompression for spinal cord tumors
or trauma? -
correct answer ✅About 20%
What portion of spinal cord does monitoring directly assess -
correct answer ✅Dorsal columns
& Answers (Grade A+)
What can it be used to asses? -
correct answer ✅Function of the somatosensory pathways
It is used when what anatomy is at risk? -
correct answer ✅Spinal cord, brainstem, cerebrum
It can localize what structure? -
correct answer ✅Somatosensory cortex
What type of stimulator is recommended? -
correct answer ✅Constant current stimulator
Contact impedance for electrodes should be at below what value? -
correct answer ✅5 Kohms
Where should the ground be placed to minimize the stimulus
artifact? -
correct answer ✅On the limb that is stimulated
What type of pulses should be used? -
correct answer ✅Monophasic rectangular pulses
, SSEP IOM Guidelines Exam Questions
& Answers (Grade A+)
What is the recommend pulse duration? -
correct answer ✅0.1 ms - 0.3 ms
What intensity is recommended for stimulation of UE and LE
peripheral nerves? -
correct answer ✅30 mA - 40 mA
Failure of stimulation may occure due to what factors? -
correct answer ✅Salt bridge or patient related factors (i.e. limb
edema, peripheral neuropathy, variant anatomy)
What is the risk of neurologic deficit resulting from spinal cord
damage in cases of surgical decompression for spinal cord tumors
or trauma? -
correct answer ✅About 20%
What portion of spinal cord does monitoring directly assess -
correct answer ✅Dorsal columns
