LTM EEG

Question 1

Which of the following will see the greatest attenuation by a LFF setting of 1Hz? 10 Hz, 5Hz, 0.5Hz, 0.1Hz

Answer 1

0.1 Hz

Question 2

ACNS Guidelines for LTM recommend a minimumstorage capacity for how many hours of Video/EEG

Answer 2

24 hours

Question 3

ACNS Guideline for LTM recommend a minimum storage capacity of how many gigabytes of video/EEG

Answer 3

30 gigabytes

Question 4

ACNS Guideline for LTM recommend a LFF setting of_________

Answer 4

0.5 Hz or less

Question 5

ACNS Guidelines for LTM recommend a HFF setting of________

Answer 5

70 Hz or higher

Question 6

ACNS Guidelines for LTM recommend an EEG amplifier noise level of________

Answer 6

less than 1 microvolt RMS

Question 7

ACNS Guidelines for LTM recommend an INPUT impedance of at least_______ for EEG amplifier

Answer 7

1 megaohm

Question 8

ACNS Guidelines for LTM recommend a common mode rejection of EEG amplifiers of at least_______

Answer 8

60 dB

Question 9

ACNS Guidelines for LTM recommend a dynamic range for EEG amplifiers of at least_________

Answer 9

40 dB

Question 10

What do the ACNS Guidelines for LTM specify asthe minimum number of channels recommended for pre-surgical work-up? If not forpre-surgical work-up?

Answer 10

16 channels (NON workup),32-64 (work up)

Question 11

Low pass filter setting for LTM recording should be _________ Hz

Answer 11

70Hz

Question 12

Minimum Sampling rate for A-D conversion of LTM recordings should be_____

Answer 12

Aliasing

Question 13

What are the technical specifications recommended by the ACNS for filter settings on a LTM machine?

Answer 13

LFF 0.5Hz or lower, HFF 70Hzor higher