Use the following HEParin Dose Titration Protocol to answer
questions 1 through 3.

1. At 0800,...

Question

Use the following HEParin Dose Titration Protocol to answer
questions 1 through 3.

1. At 0800, the nurse starts an IV of heparin 25,000 units
in 1,000 mL D5W to infuse at 400 units per hour. A heparin protocol is used to
titrate the heparin infusion q.6h according to the aPTT lab results. The aPTT
result at 1400 is 40 seconds. Calculate the adjusted infusion rate (mL/hr) that
the nurse set on the IV pump at 1400.

 2. The patient has an order for an IV of heparin 25,000
units in 1,000 mL D5W to infuse at 600 units per hour. The heparin protocol is
used to titrate the heparin infusion q.6h according to the aPTT lab results.
The infusion is started at 1700, and the aPTT result at 2300 is 65 seconds. The
nurse’s clinical decision at 2300 is to:

3. Heparin 20,000 units in 1,000 mL D5W is started to infuse
at 500 units per hour. The heparin protocol is used to titrate the heparin
infusion q.6h according to the aPTT lab results. The infusion is started at
1300, and the aPTT result at 1900 is 90 seconds. Calculate the adjusted
infusion rate (mL/hr) that the nurse will set on the IV pump at 1900?

Dr Shweta · Accepted Answer

Ans 1. Given: at 0800 hours IV of heparin has 25,000 units in 1,000 mL D5W and it is infusing at 400 units per hour
So, Heparin Infusion rate is calculated as: 
25000 units /1000ml = 400 units per hour/x ml per hour
Or, X =ml/hr = 400 * 1000/25000 
 = 16 ml/hr
Since the PTT result after 6 hours at 1400 hour is 40 s then as per the Intravenous Heparin Protocol PTT monitoring, the infusion rate has to be increased by 2 units/Kg/hour so,

Use the following HEParin Dose Titration Protocol to answer questions 1 through 3. 1. At 0800, the nurse starts an IV of heparin 25,000 units in 1,000 mL D5W to infuse at 400 units per hour. A heparin...

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