Root NIBPT Chapter 5: NIBP Measurement
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Operation - NIBP
Root works by noninvasively monitoring the amplitude of cuff pressure changes during cuff
deflation to determine arterial blood pressure. The cuff pressure is first elevated above the
patient systolic blood pressure level. The cuff will then begin to deflate at a certain rate. The
initial rise in the amplitude of pressure fluctuations during cuff deflation corresponds closely
to the systolic blood pressure. As the cuff is further deflated, the pressure fluctuations
increase in amplitude until a peak is reached which is usually referred to as the mean arterial
pressure (MAP). As cuff deflation continues, the diastolic pressure can be determined based
upon the rapidly diminishing amplitude of the pressure fluctuations.
Spot Check Measurement
To spot check measure NIBP
1. Ensure that the correct patient profile is selected before measurement.
WARNING: Only use Root in Neonatal mode with a neonatal blood pressure cuff to
measure blood pressure on neonates.
Note: The Patient Category determines the initial inflation pressure of NIBP.
Ensure that the proper patient profile and subsequent patient category are
appropriate for the intended patient to be measured.
2. To change the patient profile, press the Main Menu icon , then select Profiles
.
Press the Profile Name to select the desired patient profile.
3. Properly place the blood pressure cuff on patient. See Cuff Selection and
Placement on page 93.
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