Trio™ Operating Instructions 0070-10-0666-01 2 - 45
Operations Parameter Menus
The initial default cuff inflation pressure is dependent on the patient size setting as follows:
After the first successful measurement, the subsequent inflation pressure for the same patient
will be 50 ±10 mmHg above the previous systolic pressure measurement.
Upon power ON of the Trio, the NIBP unit of measure defaults to the most recent setting
made in the NIBP SETUP menu.
2.4.4.1 Cuff Application
1. Select a blood pressure cuff that is appropriate for the size of the patient. Measure the
circumference of the patient's limb for the best results.
NOTE: Using a correctly sized cuff, among other considerations,
has a direct bearing on the accuracy of the obtained NIBP
measurements. A cuff that is too narrow for the limb will
result in erroneously high readings. Selection of the cuff size
should be based on the circumference of the patient’s limb.
The design dimensions of the cuffs and their intended use
are based on recommendations made by the American
Heart Association.
NOTE: Use only the authorized blood pressure cuffs and hoses
listed in section 5.0, “Accessories” with the Trio.
2. Attach the NIBP cuff to the NIBP extension hose.
3. Attach the NIBP extension hose to the NIBP pneumatic fitting on the Trio.
4. Apply the cuff to the patient as shown in FIGURE 2-36. To reduce errors, ensure that the
cuff is deflated and lies directly against the patient's skin. The cuff should fit snugly.
There should be no clothing between the patient’s skin and the cuff
CAUTION: The cuff must be properly applied to the patient's limb
before inflating. If it is inflated without being securely
wrapped, damage to the cuff can result.
FIGURE 2-36 Application of the Blood Pressure Cuff
PATIENT SIZE SETTING DEFAULT CUFF INFLATION PRESSURE
Adult 178 ± 5 mmHg
Pediatric 133 ± 5 mmHg
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