NDT 131 - Principles of Electricity and Electrical Safety

Description
This course familiarizes the Neurodiagnostic student with the principles of electricity and electrical safety. Students will discuss digital EEG, EEG recordings, and the digital EEG display. Topics will include risks related to current, grounding, and factors contributing to electrical injury.

Credit Hours: 1
Contact Hours: 1
Prerequisites/Other Requirements: NDT 100, NDT 101, NDT 102, NDT 120
English Prerequisite(s): None
Math Prerequisite(s): None
Course Corequisite(s): NDT 130, NDT 132, NDT 200, NDT 201, NDT 202, NDT 220
Academic Program Prerequisite: None
Consent to Enroll in Course: Department Consent Required
Dual Enrollment Allowed?: No
Number of Times Course can be taken for credit: 1
Programs Where This Course is a Requirement:
Neurodiagnostic Technology, A.A.A.S., Neurodiagnostic Technology, Certificate

General Education Requirement:
None
General Education Learner Outcomes (GELO):
NA
Course Learning Outcomes:

Describe the differences between digital and analog equipment.
Identify the basic components of the computerized EEG system.
Discuss skills related to digital recording techniques.
Discuss troubleshooting techniques.
Explain the routine maintenance requirements for the EEG system.

Course Outline:

	Course Schedule
Points Possible		Module Assignments	Due Date
22		Module 1: Objectives Identify basic electric principles including: Hot, Neutral and Ground Static magnetic fields Current flow of electrons Voltage build up Parallel pathways Voltages of neurodiagnostic waveforms Evoked Potentials, EEG, ECG/EKG, Motor EPs & EMG Identify physiologic aspects of current flow Describe relative resistances of critical human body systems Cardiovascular, Respiratory, Nervous, Renal Identify the safety issues in neurodiagnostics, especially in IONM Describe the voltage needed to damage critical systems and cause death from electricity List electrical injury factors related to: Current Intensity, current pathway, duration of exposure Immediate/acute vs latent damage Sweat Micro and Macro Shock Wall voltage Direct electrical shock DIN 42-802 metal connectors Ground Loops Electrocautery Unit (Bovie) Define AC and DC leakage current List causes of DC electrochemical burns Module 1: Assignments Complete Links: Electrical Concepts Movie Electrical Concepts Movie Slides Complete Lesson 1 Quiz Complete Lesson 1 DB
20		Module 2: Learning Objectives Identify basic computer components and explain their purpose including CPU, Input and Output Devices, Peripherals & Ports. Explain the Boot-Up Process; Loading Instructions, Memory, Computer Applications Define computer terms including: Authentication, Authorization, Log on, Password, Server, Network, Remote Access Data Storage, Archiving Module 2: Assignments Complete Links: ASET Slides Lesson 2 Video: Computer Components PC Power Supply Voltage Conversion Glossary of Computer Terms Complete Lesson 2 Quiz Complete Lesson 2 DB
20		Module 3: Learning Objectives Explain the process of converting an analog signal to a digital signal through the A to D converter Explain digital EEG acquisition. Describe digital calibration and biological calibration Define the Nyquist Theory. Module 3: Assignments Complete Links: Video: Analog to Digital Conversion Explained Digital EEG Concepts (Audio) Digital EEG Concepts (slides) Complete Lesson 3 Quiz Complete Lesson 3 DB
58		Module 4: Learning Objectives Note general differences between analog and digital EEG. List devices that are commonly connected to the computerized EEG system and identify them on a schematic drawing. List the necessary steps for selecting digital equipment as well as important considerations for the planning and implementation phases. Explain the minimal requirements for patient identification, event notations, recording media, display parameters and storage considerations based on the ACNS Guidelines for Recording EEG on Digital Media. Describe how to review printouts and use the legend to determine timebase/chartspeed. Define terms related to digital EEG function: aliasing, sample skew, horizontal and vertical display resolution List various storage media that can be used to archive digital EEG recordings Explain the process of connecting a digital EEG system to a network. Describe the Nyquist Theory in relationship to the sample rate. Module 4: Assignments Complete Links: ACNS Guideline 4 Recording Clinical EEG on Digital Media ASET Handout Lesson 4 ASET Slides Lesson 4 PPT Lesson 4 Slide Notes Complete Lesson 4 Quiz Complete Lesson 4 DB Complete and Submit Assignment 1
30		Module 5: Learning Objectives (Lesson 5) Develop skills related to digital EEG recordings and describe appropriate techniques for: System Calibration Biological Calibration Using Sensitivity, filter and chart speed/ timebase controls to manipulate the display of waveforms Entering annotations on the EEG recording using established “hot keys” or free text. Learning Objectives (Lesson 6) Explain the concept of post-acquisition montage reformatting. Explain the effects of changing filters and sensitivity settings on digital EEG. Recognize the effects of chart speed on page display as well as recording distances for 15mm, 30 mm and 60 mm settings. Describe the split screen mode to compare real time recording to recorded review. Module 5 Assignments Complete Links: ASET Handout Lesson 5 ASET Handout Lesson 6 EEG Reviewing Recording Strategies Digital EEG Montage Reformatting Complete Lesson 5 Quiz Complete Lesson 6 Quiz Complete Lesson 5/6 DB
80		Module 6: Learning Objectives (Lesson 7) Explain the digital considerations for recording Electrocerebral Inactivity (ECI)/ Electrocerebral Silence (ECS) EEGs. Learning Objectives (Lesson 8) List sources of artifacts (biologic, electrical and environmental) Identify symptoms and troubleshooting methods to address: Problems with the system prior to acquisition Malfunctions that may occur during a recording Problems with networking and transfer of data to storage Explain how to perform ongoing equipment maintenance. Module 6: Assignments Complete Links: ASET Handout 7 ACNS Guidelines ASET Handout 8 Complete Lesson 7 Quiz Complete Lesson 8 Quiz Complete Lesson 7/8 DB Complete and Submit Assignment 2
70		Module 7: Learning Objectives (Lesson 9) Describe diverse applications for computer technology in neurodiagnostics, including: Ambulatory EEG Continuous EEG monitoring in ICU Intraoperative Monitoring Polysomnography (PSG) Digital Video recording Fast Fourier Transformation Processed Quantitative EEG (QEEG) EEG and 3D Modeling Transcranial Doppler Complete Links: ASET Handout Lesson 9 Complete Lesson 9 Quiz Complete Lesson 9 DB Complete Assignment 3
200		Final Evaluation
500		Total Points

Approved for Online and Hybrid Delivery?:
No
Instructional Strategies:
Course discussions are supplemented with visual supports such as PowerPoint Presentations, video demonstrations, and web links. The instructor will also be available for online discussion and questions during their office hours. These times will vary throughout the week in order to accommodate the students’ various schedules. See the course calendar for specific times and dates.

Grading Scale

91-100% = 4.0 Excellent

86-90.9% = 3.5

81-85.9% = 3.0 Good

76-80.9% = 2.5 Satisfactory and Passing

71-75.9% = 2.0 Not Passing

66-70.9% = 1.5

60-65.9% = 1.0

0-59.9% = 0.0

Mandatory Course Components:

	Course Schedule
Points Possible		Module Assignments	Due Date
22		Module 1: Objectives Identify basic electric principles including: Hot, Neutral and Ground Static magnetic fields Current flow of electrons Voltage build up Parallel pathways Voltages of neurodiagnostic waveforms Evoked Potentials, EEG, ECG/EKG, Motor EPs & EMG Identify physiologic aspects of current flow Describe relative resistances of critical human body systems Cardiovascular, Respiratory, Nervous, Renal Identify the safety issues in neurodiagnostics, especially in IONM Describe the voltage needed to damage critical systems and cause death from electricity List electrical injury factors related to: Current Intensity, current pathway, duration of exposure Immediate/acute vs latent damage Sweat Micro and Macro Shock Wall voltage Direct electrical shock DIN 42-802 metal connectors Ground Loops Electrocautery Unit (Bovie) Define AC and DC leakage current List causes of DC electrochemical burns Module 1: Assignments Complete Links: Electrical Concepts Movie Electrical Concepts Movie Slides Complete Lesson 1 Quiz Complete Lesson 1 DB
20		Module 2: Learning Objectives Identify basic computer components and explain their purpose including CPU, Input and Output Devices, Peripherals & Ports. Explain the Boot-Up Process; Loading Instructions, Memory, Computer Applications Define computer terms including: Authentication, Authorization, Log on, Password, Server, Network, Remote Access Data Storage, Archiving Module 2: Assignments Complete Links: ASET Slides Lesson 2 Video: Computer Components PC Power Supply Voltage Conversion Glossary of Computer Terms Complete Lesson 2 Quiz Complete Lesson 2 DB
20		Module 3: Learning Objectives Explain the process of converting an analog signal to a digital signal through the A to D converter Explain digital EEG acquisition. Describe digital calibration and biological calibration Define the Nyquist Theory. Module 3: Assignments Complete Links: Video: Analog to Digital Conversion Explained Digital EEG Concepts (Audio) Digital EEG Concepts (slides) Complete Lesson 3 Quiz Complete Lesson 3 DB
58		Module 4: Learning Objectives Note general differences between analog and digital EEG. List devices that are commonly connected to the computerized EEG system and identify them on a schematic drawing. List the necessary steps for selecting digital equipment as well as important considerations for the planning and implementation phases. Explain the minimal requirements for patient identification, event notations, recording media, display parameters and storage considerations based on the ACNS Guidelines for Recording EEG on Digital Media. Describe how to review printouts and use the legend to determine timebase/chartspeed. Define terms related to digital EEG function: aliasing, sample skew, horizontal and vertical display resolution List various storage media that can be used to archive digital EEG recordings Explain the process of connecting a digital EEG system to a network. Describe the Nyquist Theory in relationship to the sample rate. Module 4: Assignments Complete Links: ACNS Guideline 4 Recording Clinical EEG on Digital Media ASET Handout Lesson 4 ASET Slides Lesson 4 PPT Lesson 4 Slide Notes Complete Lesson 4 Quiz Complete Lesson 4 DB Complete and Submit Assignment 1
30		Module 5: Learning Objectives (Lesson 5) Develop skills related to digital EEG recordings and describe appropriate techniques for: System Calibration Biological Calibration Using Sensitivity, filter and chart speed/ timebase controls to manipulate the display of waveforms Entering annotations on the EEG recording using established “hot keys” or free text. Learning Objectives (Lesson 6) Explain the concept of post-acquisition montage reformatting. Explain the effects of changing filters and sensitivity settings on digital EEG. Recognize the effects of chart speed on page display as well as recording distances for 15mm, 30 mm and 60 mm settings. Describe the split screen mode to compare real time recording to recorded review. Module 5 Assignments Complete Links: ASET Handout Lesson 5 ASET Handout Lesson 6 EEG Reviewing Recording Strategies Digital EEG Montage Reformatting Complete Lesson 5 Quiz Complete Lesson 6 Quiz Complete Lesson 5/6 DB
80		Module 6: Learning Objectives (Lesson 7) Explain the digital considerations for recording Electrocerebral Inactivity (ECI)/ Electrocerebral Silence (ECS) EEGs. Learning Objectives (Lesson 8) List sources of artifacts (biologic, electrical and environmental) Identify symptoms and troubleshooting methods to address: Problems with the system prior to acquisition Malfunctions that may occur during a recording Problems with networking and transfer of data to storage Explain how to perform ongoing equipment maintenance. Module 6: Assignments Complete Links: ASET Handout 7 ACNS Guidelines ASET Handout 8 Complete Lesson 7 Quiz Complete Lesson 8 Quiz Complete Lesson 7/8 DB Complete and Submit Assignment 2
70		Module 7: Learning Objectives (Lesson 9) Describe diverse applications for computer technology in neurodiagnostics, including: Ambulatory EEG Continuous EEG monitoring in ICU Intraoperative Monitoring Polysomnography (PSG) Digital Video recording Fast Fourier Transformation Processed Quantitative EEG (QEEG) EEG and 3D Modeling Transcranial Doppler Complete Links: ASET Handout Lesson 9 Complete Lesson 9 Quiz Complete Lesson 9 DB Complete Assignment 3
200		Final Evaluation
500		Total Points

Equivalent Courses:
NA

Name of Industry Recognize Credentials: NA

Course-Specific Placement Test: NA
Mandatory Department Assessment Measures:
See Curriculog for proposal with assessment measures attached.

Course Type:
Program Requirement- Offering designed to meet the learning needs of students in a specific GRCC program.
Course Format:
Lecture - 1:1
Total Lecture Hours Per Week: 1
People Soft Course ID Number: 105085
Course CIP Code: 51.0903
Maximum Course Enrollment: 6
School: School of Health & Exercise Science
Department: Allied Health
Discipline: NDT
First Term Valid: Fall 2021 (8/1/2021)
1st Catalog Year: 2021-2022
Name of Course Author:
Heather Klare

Faculty Credential Requirements:
Certification/License Requirement (list below), Master’s Degree (GRCC general requirement)
Faculty Credential Requirement Details:
R.EEG-T Registered Electroencephalographic Technologist
EPiC Consortium's Host College (LCC) hires appropriately credential faculty for the program.

Course Review & Revision Year: 2025-2026