Non-Invasive Blood Pressure
VF4 Infinity Gamma Series Page 15-5
NBP Safety Considerations
WARNINGS:
! Changes in the cuff position relative to the heart level
affect measurements. If the cuff is not placed at heart
level, add +1.4 mmHg for each 2 cm above the heart
and subtract -1.4 mmHg for each 2 cm below the
heart. Make sure that the hose is not kinked or
obstructed. Do not place the cuff on a limb with an
infusion line.
! In some cases, rapid and prolonged measurements
can result in petechia, ischemia, purpura or neuropa-
thy. Dräger recommends that you apply the cuff
appropriately and that you check the cuff site regu-
larly when monitoring at frequent intervals or over
extended periods of time. In addition, check the
patient for signs of impeded blood flow in the limb.
! NBP measurements may not be accurate with con-
vulsive patients or patients with tremors.
CAUTION: Do not allow the hose or cuff to get in contact with
fluids. Check the hose and cuff frequently for signs of damage and
debris. An obstruction in the hose may cause the cuff to inflate and
deflate improperly and may result in inaccurate readings.
NOTE: To obtain accurate blood pressure readings, keep the limb
and cuff motionless. To protect patients from extremely high cuff
pressures and extended cuff inflation, the cuff deflates automati-
cally in the following conditions:
! The cuff pressure exceeds 273 mmHg in Adult 270 inflation
mode, or 180 mmHg in Pediatric 180 inflation mode.
! The cuff pressure exceeds 150 mmHg in either Neo 140 or Neo
90 inflation modes.
! The measurement takes longer than 2 minutes for Adult 270 or
Pediatric 180 inflation modes.
! The measurement takes longer than 90 seconds (or longer than
60 seconds in French NFC mode) for Neo 140 or Neo 90 infla-
tion modes.
! A technical alarm has occurred.
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