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Neurodiagnostics

QuestionAnswer
SSEP monitoring during surgery was uneventful but the patient ended up with paralysis. This could occur because SSEP does not reflect anterior spinal cord function
Which medication can be used for SSEP monitoring but not for MEP? pancuronium bromide
A single electrical stimulus applied to the motor cortex during transcranial electrical stimulation produces D waves In the pyramidal axons
The incidence of stroke after elective shunting for a CEA surgery is what percent? Less than 1%
What SSEP potentials are most resistant to anesthesia? P14, P31
What is the interstimulus interval during TcMEP? Typically set between 1 ms and 4 ms.
For SSEP monitoring, P14 and N18 originate from Brainstem
An EEG pattern similar to FIRDA cannot be seen in The addition of nitrous oxide to isoflurane
True or False: Widespread slow waves can be seen in therapeutic hypothermia. False
True or False: Halothane causes EEG suppression. False. Suppression is seen only at high doses.
EEG abnormalities can be __________ or _________ during anesthesia. obscured or unmasked
Rhythmic jerking of one arm comes from what lobe? Frontal
True or False: Rhythmic jerking of one arm is contralateral to the cortical focus. True
Seeing flashes of light is associated with which brain lobe? Occipital
What medication types are important for ECI (electrocerebral inactivity) recording documentation? Sedatives, barbiturates, narcotics.
How would a tech test the integrity of electrodes? Touch electrodes separately and indicate a tech is touching them to see if there is a response on the EEG.
This neurological syndrome happens with damage to the pons. The patient is awake, conscious but unable to speak and can move only their eyes. Locked-in syndrome
Blood supply to the entire brain relies on two artery sets, what are they called? vertebral artery and common carotid artery.
A sudden disturbance of blood flow to the eyes causing temporary loss of vision is called amaurosis fugax
What EEG pattern indicates intracranial hemorrhage? Alpha coma
Created by: neurotech24
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