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Questions and Answers
What is the maximum amplitude of Program 1?
What is the maximum amplitude of Program 1?
What is the default pulse width selection for Program 1?
What is the default pulse width selection for Program 1?
What is recommended if the user encounters an unusable signal size message?
What is recommended if the user encounters an unusable signal size message?
What is the recommended minimum body signal size?
What is the recommended minimum body signal size?
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What should the user do if they are unsuccessful with the previous steps for the UNUSABLE SIGNAL SIZE message?
What should the user do if they are unsuccessful with the previous steps for the UNUSABLE SIGNAL SIZE message?
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What is the recommended Reaction threshold?
What is the recommended Reaction threshold?
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Why might a far bipole and near bipole require higher stimulation amplitudes?
Why might a far bipole and near bipole require higher stimulation amplitudes?
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What should the user do after setting the Reaction threshold and Recovery threshold?
What should the user do after setting the Reaction threshold and Recovery threshold?
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Study Notes
Neuro Sense Programming
- Maximum amplitude of 10mA can be reached for Program 1 without perception
- If maximum amplitude is reached without perception, consider increasing Program 1 pulse width, which may translate to a lower amplitude
Adjusting Program 1 Settings
- Available pulse width options for Program 1: 120μs, 150μs (default), and 200μs
- Consider programming a wide bipole for Program 1 stimulation electrode configuration
- Try programming using a different quadrant
Troubleshooting Unusable Signal Size
- If unusable signal size message appears, scroll left and right on the signal graph to look for an ECAP in the Signal Quality Preview window
- If ECAP is visualized, override the system to create custom thresholds
- Attempt to visualize a clear difference between baseline body signal and body signal during a movement activity
- Attempt to visualize a trough and peak within the 3 vertical lines
- Confirm body signal size is greater than ~7μV
- If unsuccessful, try recapturing body signal with different options:
- Have the patient try other movements or activities that may cause a momentary intense sensation
- Increase Program 1 amplitude if comfortable to the patient
- Swap the location of the stimulation and sensing electrodes on the lead
- Move the stimulation and sensing electrodes to the other lead if available
Configuring Thresholds
- Consider setting Reaction threshold to 7μV and Recovery threshold to 4μV
- Ensure Reaction threshold is above the body signal at rest
Best Practices to Reduce Artifact
- Program 1 pulse width options: 120μS, 150μS, and 200μS
- Electrode configuration options: Far bipole (default), Wide bipole, Near bipole, and Guarded cathode
- Avoid using a pulse width of 200μS with Wide bipole or Near bipole configurations
- Far bipole is associated with less artifact, while Near bipole is associated with more artifact
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Description
This quiz covers steps to reach maximum amplitude of 10mA in Program 1 without perception, including adjusting pulse width and electrode configuration.
