ECOG/EP for CLTM Exam Questions With 100% Verified Answers
ECOG/EP for CLTM Exam Questions With 100% Verified Answers Nearfield, post-synaptic activity in cervical spinal cord - answerN13 far-field, caudal medial/leminsicous (AEP) - answerP14 far-field, post-synaptic activity from several sites in the brain stem and thalamus - answerN18 near-field, somatosensory cortex potential - answerN20 median generator sites - answerN13 P14 N18 N20 electrode impedance with ECOG - answerhigher- placement is unstable reference electrode in ecog - answerplaced away from active electrodes in the subgleal space LFF in ecog - answercan be raised to 5-10 Hz primary interest is spikes- not slow waves responses required in cortical SSEP ecog - answerresponse is much larger than scalp- recorded less than 100 average responses are needed OR troubleshooting - answer-ask surgeon to stop electrocautery temporarily to document the artiface -60 Hz notch is prohibited -primary non-electrical issue is effect of anesthesia -other issues include vital signs and positioning positioning during ecog - answeravoid hyperextension of joints can be adjusted slightly to reduce discomfort during craniotomy (stiffness)
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