Boston Scientific Vercise Manual De Uso página 82

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Physician Manual
4. Determine the area with the largest amplitude.
Largest amplitude = 3.0 mA
5. Use TOTAL RATE, TWPW, and largest amplitude in the chart to determine the
battery-longevity projection.
The closest values on the table using 315 Hz, 77.61 µs, and 3.0 mA are found in the
box associated with 510 Hz, 100 µs, and 3.0 mA. The result is a battery-longevity
projection of more than 25 years.
Multiple-Program Longevity Worksheet
Quick Method:
If multiple programs are routinely used, determine the battery-longevity projection
for each program using the methods mentioned above (including the 'Multiple-Area
Battery-Longevity Worksheet' if needed). The battery-longevity projections for
multiple programs should be between the longest and shortest projections.
Detailed Method:
For a more specific estimate, one can calculate the time-weighted-average battery-
longevity projection as follows:
1. Determine the battery-longevity projection for each program and estimate the
number of hours per day of use for each program.
2. For each program multiply the expected battery longevity by the number of hours
of use per day and then divide the result by 24.
Battery longevity program 1____ x ____ hours per day
Battery longevity program 2____ x ____ hours per day
Battery longevity program 3____ x ____ hours per day
Battery longevity program 4____ x ____ hours per day
3. Total the results:
This total is the battery-longevity projection for the multiple programs.
Physician Manual
91098825-07 Rev A 78 of 333
/ 24 = _____
/ 24 = _____
/ 24 = _____
/ 24 = _____
= _____

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