IO Monitoring Flashcards
Which of the practitioners can independently interpret intraoperative neurophysiological monitoring activity?
Audiologists and physicians
In the 1970s and 1980s, which historically important development supported the development of intraoperative neurophysiological monitoring.
A convergence of interest in intraoperative monitoring ithat followed the use of increasingly sophisticated clinical test measures, as well as developments in microsurgical techniques that made neural tissue preservation possible.
What may affect one’s ability to provide intraoperative neurophysiological monitoring for a patient?
The patient’s specific diagnosis made in the outpatient clinic
The preoperative status of the specific function to be monitored
Whether the audiologist is appropriately trained and skilled in the specific type of monitoring that will be required for the case
What kind of anesthesia effects are typically encountered by audiologists who perform intraoperative neurophysiological monitoring?
Certain anesthetics may prolong auditory brainstem response latencies and reduce amplitudes.
Some anesthetics may affect the amplitude and latency of compound muscle action potentials obtained with electrical nerve stimulation.
Neuromuscular blocking agents may completely eliminate all electromyography signals.
Important parts of the motor unit from the list below.
Cell body, axon, schwann cell, muscle fibers
A healthy, unparalyzed motor cranial nerve is typically ____ when not active. Identify any correct answer.
electrically quiet
ready to respond to electrical stimulation
The auditory-evoked measure ______ enables the monitoring audiologist to best observe the response generated by the ______ portion of the auditory nerve.
Electrocochleography, distal
Choose the most appropriate statement regarding the management of an intraoperative neurophysiological monitoring service from the list below.
It is important for the audiologist to be aware of staff members in the operating room and to know their specific roles.
Single-use devices used by the monitoring and the surgical team include which items from the list below?
Needle electrodes
Foam inserts for delivery of acoustic stimuli
Plastic adhesive tape to hold electrodes and leads in place
A significant hindrance to effective recording of suprathreshold auditory brainstem responses in the operating room includes which of the choices below?
Masking of stimuli used to elicit the desired auditory-evoked responses caused by prolonged drilling of the temporal bone
