Acns guidelines - Study guides, Class notes & Summaries

ACNS guidelines for CLTM exam

What is the minimum number of channels needed for an EEG? correct answer: 16 Are needle electrodes recommended for routine use? correct answer: No Electrodes must be placed according to what system? correct answer: The 10-20 system According to ACNS Guidelines, are impedances to be checked as part of the recording? correct answer: Yes Impedances up to what kOhms are acceptable? correct answer: 10kOhms Is it more important for impedances to be under 10kohms or for them to be b...

Monitoring physician correct answer: Should be licensed in the state and privileged to interpret neurophysiologic testing in the hospital. They are responsible for interpretation of data. How many cases is it recommended the online physician monitor at once? correct answer: No more than three cases concurrently What should monitoring system include? correct answer: the capacity to: display raw data and continuous trends store time/date of recorded waveforms trigger stim of potentials...

ACNS guidelines for CLTM exam

ACNS Guidelines Exam Questions With Verified Answers 1. Terminology (General Requirements) - Answer Waveforms should be as described in Guideline 9D 2. Stimulus and Safety (General Requirements) - Answer A constant current stimulator is recommended for use in the operating room. Care should be exercised to prevent blood or other fluid from contaminating the stimulating site. Either standard disk electroencpehalography (EEG) electrodes or sterile subdermal needle electrodes may be...

ACNS Guidelines Auditory Evoked Potentials 5 to 200/s - ANSWER 5 to 200/sStimulus rates employed vary widely from Short-latency auditory evoked potentials (SAEPs) - ANSWER electrical responses of the auditory pathways that occur within 10—15 ms of an appropriate acoustic stimulus in normal subjects. The electrocochleogram (ECochG) - ANSWER consists of electrical responses of the cochlea and the auditory nerve to acoustic stimulation. (ECochG) includes - ANSWER e (1) the cochlear mi...

ACNS Guidelines – CLTM Questions With Answers 2023/2024 Sufficient storage space to allow for _______ hours of continuos video EEG monitoring is essential - ANSWER 24 Perceived optical resolution is 525 line pairs, satisfactory for LTME, higher optical resolution of up to 1,000 line pairs available in some monitors - ANSWER Monochrome Display Monitor Perceived optical resolution in 250 line paris, minimal acceptable standard for LTME. The current optimal standards are 1600 x 1200...

ACNS guidelines Evoked Potentials Verified Solutions Latest Update EP Equipment: AMPLIFIER: Input signals with peak-to-peak amplitudes of ____ to _____ should be amplified ___________to the full range of the analog-to-digital (AD) converter - ANSWER 5uV to 50 uV equal EP Equipment: AMPLIFIER Gain should be adjusted in steps of not more than: - ANSWER 2.5 to 1 EP Equipment: AMPLIFIER: The differential input impedance of the amplifier must be at least ___ megOhm - ANSWER 100 mego...

Nichrome and platinum are... correct answer: Nonferrous metal, MRI compatible LTME digital equipment must record ( minimum) correct answer: 24 hrs of video and 32-64 channels of EEG LTME storage (minimum) correct answer: 30 gigabytes or 24 hrs of vid/EEG Intracerebral electrode impedance measurements...safe range correct answer: 10nA which is 1000 times less than reg 5-10Kohm for scalp What is the bare minimum number of channels in an LTME or primary EEG evaluation correct answ...