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For Implanted Patients
MRI: Impedance Check Instructions
(PTRC2300/PTRC2500/PTRC3000)
How to know your impedance check was successful
•
To be cleared for an MRI scan, all your impedances need to be within an acceptable range.
•
The impedances are within an acceptable range when you hear 1 long beep and see all
numbered levels on your remote control, including all four battery lights, light up solid.
How to know your impedance check was unsuccessful
•
If you hear 4 short beeps followed by one or more of the illuminated number levels or the battery
light on your remote control blinking, this indicates one or more of the electrode impedances
aren't within acceptable range and your MRI CANNOT be completed. Please contact your Nevro
HFX Care Team for support at 1-844-331-1001.
•
If none of the number levels on your remote control are lit up or blinking, and no beeps
are heard, the impedance check wasn't performed. Follow the instructions listed above in
"Turn OFF Stimulation and Start an Impedance Check" section – make sure to hold the
Stimulation OFF Button for at least 10 seconds.
•
If you hear 3 beeps, your device is not connected to your remote control and the impedance
check wasn't completed. Move your remote control closer and follow the instructions listed
above in "Turn OFF Stimulation and Start an Impedance Check" section again.
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