A healthcare provider prescribes:

1. Administer an IV bolus dose of heparin 80 units per kg of body weight.
2. Initiate an IV infusion of 500 ml of 5% Dextrose in water with 25,000 units of heparin at a rate of 22 units of heparin per kg of body weight per hour.

The heparin bolus dose is available in a 1,000 unit/ml concentration. Mrs. Buckley weighs 187 lbs (85 kg).

At what rate should the IV pump be set to deliver the prescribed rate of infusion?

The rate for the IV pump for Mrs. Buckley should be set at 1.87ml/hr, this is determined by calculating the prescribed amount of heparin per body weight per hour and converting this from units to volume (ml) using the given concentration.

Explanation:

To calculate the rate at which the IV pump should be set to deliver the required infusion of heparin, we first need to determine the total amount of heparin to be delivered per hour. As per the prescription, the rate of heparin infusion is 22 units of heparin per kg of body weight per hour. Given that Mrs. Buckley weighs 85kg, she will require 22 units/kg/hr * 85 kg = 1870 units per hour.

Next, we find out how many ml of the heparin solution is equivalent to this amount. Given that the heparin solution concentration is 1000 units/ml, 1870 units would be 1870 / 1000 = 1.87 ml of solution.

Finally, to calculate the rate at which the pump should be set, which is usually measured in ml/hr, we will be infusing 1.87ml per hour. Thus, the IV pump should be set at 1.87ml/hr.

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