VNS Therapy SENTIVA M3000 Programmer - Low Output Current Issues

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HIGH/LOW LEAD IMPEDANCE OR LOW OUTPUT CURRENT AT
FOLLOW-UP VISIT
Possible causes for high or low lead impedance or low output current at
follow-up visits for the model 1000 generator include the following:
• Lead discontinuity
• Lead disconnected from generator
• Fibrosis between nerve and electrode
• Electrode detachment from nerve
• Defective generator
• Short-circuit condition within the lead
“A LOW Lead Impedance
has been detected...”
Lead Impedance “LOW”
“A HIGH Lead Impedance
has been detected...”
Lead Impedance “HIGH”
“Programmed current
is possibly not being
delivered...”
Output Current “LOW”
• Perform a Systems Diagnostics
• Record results
Possible Causes:
• Lead discontinuity
• Lead disconnection
from the generator
• Fibrosis between the
nerve and electrode
• Electrode
detachment from
the nerve
• Defective generator
Possible Causes:
• Increased
impedance in the
system
Possible Causes:
• Lead discontinuity
• Lead disconnection
from the generator
• Fibrosis between the
nerve and electrode
• Electrode
detachment from
the nerve
• Defective generator
Possible Causes:
• Short-circuit
condition within
the lead
• Defective generator
Generator is delivering
stimulation as intended
System Diagnostics
Values
Error Message
Error Message
Error Message
Lead Impedance “OK”
Output Current “OK”
Lead Impedance
“HIGH”
Output Current
“OK”
Lead Impedance
“HIGH”
Output Current
“LOW”
Lead Impedance
“OK”
Output Current
“LOW”
Lead Impedance
“LOW”
Output Current
“OK”
Contact LivaNova Technical Support