Essential EDX Series: Volume I Instrumentation: Principles and Practice

Essential EDX Series: Volume I Instrumetnation: Principles and Practice

Essential EDX: Volume 1 – Instrumentation

Principles

• Introduction
• Electrodes – EMG and NCS
• Electrode Impedance
• Leads and Cables
• Amplifier
• Filters
• Analog to Digital Convertor
• Averager
• Stimulator
• Stimulus Artifact
• Volume Conduction
• Pitfalls

Recording SNAP (Overview)

Applying Electrodes

Leads from Recording Electrodes

Motor Artifact (E1 Position)

Motor Artifact (Touching Fingers)

Signal Averager

Edit Averaged Response

Stimulator Cable Artifact

Position of Ground Electrode

Rotating Anode

Biphasic Stimulation

Signal Enhancer