Hi,

I am having solving the following 2 dosage calculation questions, can someone please help?

1. **1000cc solution of D5NS with 20,000 units of Heparin is infusing at 20ml per hour. The IV set delivers 60 gtts per cc. How many units of Heparin is the patient receiving each hour**

**2. ****Your patient has an order to receive 800 units of Heparin per hour by continuous intravenous infusion. If the pharmacy mixes the IV bag to contain a total of 5,000 units of Heparin in 500 ml of D5W, **__how many cc's per minute__ should the patient receive?

**Thanks**

Mar 12, '07

Quote from nurseo
Hi,

I am having solving the following 2 dosage calculation questions, can someone please help?

1. **1000cc solution of D5NS with 20,000 units of Heparin is infusing at 20ml per hour. The IV set delivers 60 gtts per cc. How many units of Heparin is the patient receiving each hour**

**2. ****Your patient has an order to receive 800 units of Heparin per hour by continuous intravenous infusion. If the pharmacy mixes the IV bag to contain a total of 5,000 units of Heparin in 500 ml of D5W, **__how many cc's per minute__ should the patient receive?

**Thanks**

**1. **__20000 units.....__ __20__ ml............................ 20000 u/1000 ml x 20ml/1hr = 400 units/hr
**......1000 ml x ........1 hr = 400 units/hr**
**the 60 gtt per cc is extraneous info with no effect on calc.**
**Look at the labeling and you see that ml and ml cancel each other and the result will be in units/hr. To multiply this without a calculator:**
__20__ units ..................................__20 ml__
**..1 ml .....(divided both by 1000) 1 hr = 400 units/hr**
**2. **__800 __units .........__500__ ml ..........__40__ units........ __4__ units
**.....60 min.... x ...5000 units .= ..30 min... = ....3 min = 1 1/3 u/min**
Spacing may not stay correct on here either--so you can see elements of calc

Last edit by Myxel67 on Mar 12, '07