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wrapped too tightly around the limb. Excessive tightness may cause
discoloration and eventual ischemia of the extremities.
Note
The width of the cuff should be either 40% of the limb circumference
(50% for neonates) or 2/3 of the upper arm length. The inflatable part
of the cuff should be long enough to encircle 50-80% of the limb. The
wrong size of cuff can cause erroneous readings. If the cuff size is in
question, then use a larger cuff.
Size of reusable cuff for neonate/children/adult
Size of disposable cuff for neonate
• Make sure that the cuff edge falls within the range of mark <->.
If it does not, use a larger or smaller cuff that fits better.
3.
Connect the cuff to the air hose. The limb chosen for taking the
measurement should be placed at the same level as the patient’s heart.
If this is not possible you should apply the following corrections
to the measured values:
Patient type
Limb perimeter
Cuff width
Infant
10 ~19 cm
8 cm
Child
18 ~ 26 cm
10.6 cm
Adult1
25 ~ 35 cm
14 cm
Adult2
33 ~ 47 cm
17 cm
thigh
46 ~ 66 cm
21 cm
Figure 26
Use cuff
Hose
1.5 m
or 3 m
Size No.
Limb perimeter
Cuff width
1
3.1 ~ 5.7 cm
2.5 cm
2
4.3 ~ 8.0 cm
3.2 cm
3
5.8 ~ 10.9 cm
4.3 cm
4
7.1 ~ 13.1 cm
5.1 cm
Hose
1.5 m
or 3 m