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27 Cards in this Set
- Front
- Back
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NPI |
New patient implant. All settings will be set to 0 end of OR case |
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EOS |
End of service/generator replacement. Will do same settings as preop, unless battery completely dead then will be 0 |
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Dosing parameters-Normal mode |
1) output current 2) signal frequency 3) pulse width 4) signal on time 5) signal off time |
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Output current range |
0-3.5 mA Therapeutic range: 1.5-2.25mA |
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Signal frequency range |
1-30 hz Usually 20-30 |
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Pulse width range |
130-1000 Usually 250 or 500 |
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Time on range |
7-60 seconds Usually 30 |
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Time off range |
0.2 - 180 minutes Usually 5 minutes |
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Output current definition |
Amount of electrics current delivered during single pulse stimulation Therapeutic range: 1.5-2.25mA |
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What is interval increase increment of output current? |
0.25 mA to patients tolerability. Do this about every 2 weeks |
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Pulse width def |
Duration of a single pulse |
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Signal frequency def |
Number of pulses per second (hz) |
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On time |
Time device is delivering FULL output current programmed (does not include ramp up or down) |
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Off tkme |
Amount of time between on times (includes ramp up and down periods) |
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Duty cycle |
Amount of time decide delivering stimulation in a 24 hour period |
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Magnet dosing parameters |
Output current (usually 0.25mA above normal mode current), pulse width, on time On demand so no off time |
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How many seizures where magnet is effective |
> 60% |
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Reed switch |
On generator, magnet opens and closes it. Must be at least 34 gauss |
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Excessive stimulation |
On time greater than off time |
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How much higher is magnet mode current than autostim current |
At least 0.125 |
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Autostim parameters |
Output current (middle between normal and magnet), pulse width and on time Also will be tachycardia detection |
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Enforced off time |
Always equal to the programmed autostim on time |
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Goal of dosing |
Maximize therapeutic effect Minimize side effects Common: output 1.5-2.25mA, pulse width 250/500microdeconds, frequency 20/30 Hz |
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Order to adjust parameter for size effects |
1. Pulse width 2. Frequency 3. Output current-last! Can adjust autostim theshild for battery life or side effects too |
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Side effects auto stim related |
Verify heartbeat detection Autostim parameters Threshold for autostim |
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Heartbeat detection |
1-5 Start with 1= least sensitive |
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Threshold for autostim |
20-70% Default setting is 70= least sensitive |
