CNIM-CS flashcards
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24 cards. Read the term and the definition here. The deck at the top of this page is optional.
- Differential amplification
- Measurement of a difference between inputs with designed rejection of common signals, subject to actual equipment and contact conditions.
- Aliasing
- Misrepresentation of higher-frequency content at lower apparent frequencies when sampling and filtering conditions are unsuitable.
- Latency jitter
- Variation in response timing across trials that can blur a time-locked average even when individual responses exist.
- Coherent artifact
- Interference that repeats systematically with the event or stimulus and may therefore persist during averaging.
- Device screening
- Review of relevant implants, accessories and system-specific risks before the proposed recording or stimulation activity.
- Impedance balance
- The relationship between input contact impedances that can affect noise rejection and should be considered with actual equipment.
- Clinical event annotation
- Accurate recording of observed patient behavior and timing when safe, without independently assigning an unsupported diagnosis.
- Cryogenic hazard
- A cold, pressure or atmospheric risk associated with the actual cryogenic system, requiring trained procedures and response.
- Somatosensory response
- A recorded response to an appropriate sensory stimulus that represents selected pathways rather than all possible neurological function.
- Myogenic motor response
- A muscle response dependent on a chain including central motor pathways, peripheral nerve and neuromuscular transmission.
- D-wave
- A direct corticospinal response used in selected monitoring settings with distinct technical requirements and interpretation limits.
- Triggered EMG threshold
- The stimulation level associated with a recorded muscle response under defined conditions, not a stand-alone proof of anatomical safety.
- Usable baseline
- An adequately characterized response with documented reproducibility and conditions against which a later change can be assessed.
- Parallel verification
- Technical and clinical checks coordinated while a concerning change is promptly communicated rather than waiting for every check first.
- Signal distribution
- The pattern across sides, channels, muscles and modalities that helps organize a differential without uniquely determining its cause.
- Unresolved-change handover
- Explicit transfer of a persistent monitoring concern and relevant trajectory to the responsible postoperative and interpreting team.
- Neuromuscular blockade
- Reduction of neuromuscular transmission that can affect muscle recording without directly establishing a change in the spinal pathway.
- Train-of-four context
- A measurement framework helping assess neuromuscular blockade and its relevance to a particular monitoring response.
- Physiological confounder
- A patient or anesthetic condition capable of influencing recorded signals alongside technical and surgical factors.
- Stimulation safeguard
- A planned protective measure addressing movement, bite, devices, electrodes or other risks within the actual authorized monitoring procedure.
- Contemporaneous record
- A record made with reliable timing near the event rather than reconstructed later from uncertain memory.
- Closed-loop alert
- A communication in which the finding is stated and receipt or understanding is confirmed through the agreed pathway.
- Processing provenance
- A traceable history of settings, exclusions, software and transformations needed to review or reproduce an analysis.
- Raw data preservation
- Retention of the original measurement and relevant metadata so later processing does not replace the only source evidence.