A nurse is preparing to administer heparin 15 units/kg/hr by continuous IV infusion for a client who weighs 51 kg. Available is 25,000 units of heparin in 500 mL 0.9% sodium chloride. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
ANSWER.
* Calculation of ml/hr.
ml/hr = Volume(ml) / Time(hr).
Calculation of volume(ml) = Desired dose(D)/Dose in hand(H) * Quantity(Q)
Here
Ordered dose = 15 unit/kg/hr.
Weight of the patient = 51 kg
So
Desired dose(D) = 15 * 51
= 765 unit.
Dose in hand (H) = 25000 units.
Quantity(Q) = 500 ml
As per above formula for volume
Volume(ml) = D/H *Q
= 765/25000 * 500
= 0.03 * 500
= 15.3
= 15 ml.
Time(hr) = 1 hr.
So
ml/hr = 15 ml/hr.
A nurse is preparing to administer heparin 15 units/kg/hr by continuous IV infusion for a client who weighs 51 kg
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