Page 1186 - Saunders Comprehensive Review For NCLEX-RN

3. The total capacity of these type of IV administration
sets is 100 to 150 mL, calibrated in 1-mL increments so
that exact measurements of small volumes are
possible.
4. The medication is mixed with the appropriate amount
of diluent, added to the IV administration set, and
allowed to infuse at the prescribed rate.

5. The IV administration set needs to be labeled

clearly to identify the medication and fluid dosage
added.
6. During medication infusion time, a label (per agency
guidelines) is attached that indicates that the
medication is infusing.
7. During the flush infusion time, a label (per agency
guidelines) is attached indicating that the flush is
infusing.
E. Syringe pump for IV medication administration
1. A syringe containing the medication is fitted into a
pump that is connected to the IV tubing through a Y
connector.
2. The medication is administered over the prescribed
time.

The 24-hour fluid intake must be monitored closely, and all IV

fluid amounts including the amount of flush volume need to be
documented accurately to prevent overhydration. For children, the
maximum amount of IV fluid administered in a 24-hour period varies and
is usually based on body weight and other factors. Check the
prescription and agency guidelines for the procedures for the
administration of IV fluids and medications.
III. Calculation of Medication Dosage by Body Weight
A. Conversion of body weight
1. There are many mobile application devices available
to assist with calculating dosages, but it is important
to know how to do these calculations without the use
of a mobile device.
2. See Box 41-2 for body weight conversion.

B. Calculation of daily dosages based on weight

1. Abbreviations (Box 41-3)
2. Dosages are expressed in terms of milligrams per
kilogram per day, milligrams per pound per day, or
milligrams per kilogram per dose.
3. The total daily dosage usually is administered in
divided (more than 1) doses per day as prescribed.
4. Express the child’s body weight in kilograms or

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