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How to do the Test


How To Perform NEURAL EDX Part 1 Preparation

How to Perform Neural EDX overview, basics, warnings, preparation for the exam.


How To Perform Neural EDX Part 2 The Exam

Performing the exam, addressing the patient, turning the dial, reading the potentiometer.



  • Control is a custom ASIS digital logic controller
  • Dimensions: System consists of the base unit (stimulus and response) mounted on a cart with a computer and printer. The system stands 3' to 4' high, approximately 2.5' wide and 1' to 1.5' deep. The base unit is 12.5 wide, 12" deep, and 5" high and weights 11.5 lbs.
  • Operation requires both hands to manipulate the controls. Not a hand-held device.
  • Two LCD Displays: Stimulus Output 1" X 2",
  • Response Potentiometer 1" x 4"
  • Three Outputs: 5 Hz, 250 Hz and 2000 Hz each with waveforms and modulations covered by foreign and U.S. patents.
  • Output Maximum: 9.99 mA / 50 Volts.
  • Resolution Measurement: Non-Stepped Gradient.
  • Device Features: Audible Function Changes, Power On, Test Modality, Automatic Calibration, Auto Low Power Warning/Flashing Red Light, Auto Power-up at 250 Hz frequency setting.
  • Two Electrodes: One single large common ground 4" X 4", second gold tip electrode with disposable fiber saline impregnated.
  • Potentiometer: Conductive plastic with less than 1% dynamic noise measuring total amplitude of millivoltage and combined action potential and sub-threshold potential.
  • Response graphic display and computer printed hard copy capable.
  • United States Clearances: FDA Class II device. Prototype granted Safe & Effective FDA marketing clearance December 1, 1997.
  • European Union Class - I with CE mark.
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