Acns montages guidelines - Study guides, Class notes & Summaries

ACNS /Montages Guidelines This is an example of? Calibration The 60 Hz filter can distort or attenuate spikes and should be used only when all measures to eliminate 60 Hz artifact have been resolved If the total circumference measures 56 cm, what is the distance from Fpz to Oz? 28.0 cm Calibration is an integral part of every EEG recording, should be performed at the beginning and end of every EEG recording,an internal process that isn't particularly helpful in digital EEG record...

ACNS Guidelines Questions And Answers Latest Update 2023/2024 BAER stimulus clicks are comprised of - ANSWER a wide range of frequencies called "broad band" clicks -this activates a wide range of hair cells What is the most appropriate band pass filter of BAER in the OR - ANSWER 100LFF1500HFF ACNS: 100-150 LFF and 2500-3000HFF which can be reduced to 1000Hz What is the suggested derivation for recording all 5 BAER waveforms in 1 channel - ANSWER Ai-Cz as stated in ACNS guidelines...

ABRET Digital Instrumentation Questions and Answers 100% Pass A LFF setting of 5 Hz will attenuate a 5 Hz wave by approximately: a. 0.3 b. 30 mm c. 0.05 d. 5 mm 0.3 (LFF of 5 Hz will attenuate a 5 Hz wave by 30%) Gradual changes in amplitude , frequency, or spatial distribution of rhythms is known as: a. asymmetry b. attenuation c. background activity d. evolution evolution Vertical resolution a. bits b. frequencies c. amplitude d. duration amplitude The ability of an amplifier to r...

According the the ACNS 2016 guidelines, an reduced electrode array consists of which of the following correct answer: Fp1, Fp2, C3, C4, Cz, T7, T8, O1, O2, A1, A2 CP stands for this in the international 10-10 system correct answer: centroparietal FC stands for correct answer: Frontocentral FT stands for correct answer: Frontotemporal TP stands for this in the international10-10 system correct answer: temporal posterior In the international 10-10 system, PO stands for correct ...

ABRET Waveform Analysis and Identification, ECI recording 100% Pass The activity in the red box would be best describes as: a. EMG b. RTTD c. EKG d. BETS EMG Which of the following is characteristic of triphasic waves? a. They have a sharp initial positive phase b. They are posterior dominant c. They have a time lag from frontal to posterior head regions d. They are usually unilateral They have a time lag from frontal to posterior head regions What is happening in the first 2 seconds an...

ABRET Digital Instrumentation Questions and Answers 2023 A LFF setting of 5 Hz will attenuate a 5 Hz wave by approximately: a. 0.3 b. 30 mm c. 0.05 d. 5 mm 0.3 (LFF of 5 Hz will attenuate a 5 Hz wave by 30%) Gradual changes in amplitude , frequency, or spatial distribution of rhythms is known as: a. asymmetry b. attenuation c. background activity d. evolution evolution Vertical resolution a. bits b. frequencies c. amplitude d. duration amplitude The abi...

ABRET Performing Study Questions and Answers 2023 In a referential montage, localization is determined by: amplitude What is the most important when evaluating the background activity? Record the maximal state of alertness If a patient starts to have a seizure during photic stimulation, the technologist should: turn off photic stimulator Localized or lateralized high voltage delta can be caused by what abnormality? cerebral abcess What EEG pattern is seen in this...

In BAEP's, cochlear nucleus lesion causes? - Answer- Increased III-V, increased I-V Which modality is most useful in monitoring the integrity of the corticospinal tracts during resection of an intramedullary spinal cord tumor? - Answer- D-Waves The stimulus used in a brainstem auditory evoked potential study is a click with a peak acoustic power in the range of - Answer- 2000 to 4000Hz Which of the following tibial nerve responses is not a near field response? - Answer- N31 How many...

Patient's with Rett's syndrome usually develop normally until age what? a. 18-24 months b. 3-6 months c. 6-18 months d. 2-4 years - ANSWER: c. 6-18 months Which of the following is most likely to be associated with a normal EEG? a. left frontal subdural hematoma b. left frontal abscess c. acoustic neuroma d. cerebellar abscess - ANSWER: d. cerebellar abscess During an absence seizure the technologist should? a. stop recording and go to the patient's aid b. turn the patients he...