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Appendix C
NIBP - Auto Mode
Systolic Search
If systolic pressure is not found, the NIBP parameter can
search at cuff pressures higher than the initial target pressure.
The parameter will inflate the cuff above the initial target
pressure to get better data in the systolic region. The
maximum pressure allowed in systolic search is limited by
the normal range for cuff pressures. In any operating mode, if
a patient's systolic pressure exceeds the inflation pressure,
the parameter will begin normal deflation sequence, detect
the absence of a systolic value, stop deflation, reinflate to a
higher (than initial) inflation pressure (290 mmHg maximum),
and resume the normal deflation sequence.
Do not use the auscultatory method to verify the accuracy of
the NIBP parameter. Auscultatory method (using cuff and
stethoscope) calculates the mean pressure value from
audible sounds at systolic and diastolic, but the NIBP
parameter method detects all three values.
Reverting and Accelerated Determination
When the determination data does not agree with the
previous determination, there may be a reversion to a
determination with more steps. The algorithm will try to
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