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Dr. Rick, MD, Board Certified MD
Category: Medical
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Experience:  20+ years as a doctor. Internal Medicine Internship in NYC
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# heparin drip ordered for 12units/kg/hr. supplied dose is 25000

heparin drip ordered for 12units/kg/hr. supplied dose is 25000 units in 250ml. Patient weighs 180 pounds. How many units will be infusing?

Dr. Rick, MD :

Hi. Dr Rick here. I completed an Internal medicine internship in NYC and have two decades of clinical experience. How can I assist you today?

Dr. Rick, MD :

Is this for a real patient or for a school question?

Dr. Rick, MD :

What will be the are the drip rates?

Dr. Rick, MD :

or is that what you are looking for?

Dr. Rick, MD :

The patient weighs 250lbs/2.2 lbs per Kg = 81.8 kg

Dr. Rick, MD :

at 12 units/kg/ hr he needs 81.8Kg * 12 units = 981 units of herparin per hr

Dr. Rick, MD :

the infusion solution has 250,000 units heparin in 250 ml saline = 1,000 units/ml

Dr. Rick, MD :

So. The patient needs 981 units/1000 units per ml =0.98 ml/hr of the heparin solution.

Customer:

This is for a job medication question---no, the patient weighs 180 pounds and the supplied solution is 25,000units in 250 ml. Please recalculate.

Dr. Rick, MD :

So. Just give him 1ml/hr....close enough.

Dr. Rick, MD :

That is the calculation above....

Dr. Rick, MD :

Does this make sense to you?

Dr. Rick, MD :

Ok.. redo at 180 lbs...

Dr. Rick, MD :

180/2.2 = 81.8 kg....OOps! I typed 250lbs above (which is wrong) but I did all my calculations using 180lbs body weight (which is correct)

Dr. Rick, MD :

So the answer, 1 ml/hr, is correct.

Dr. Rick, MD :

That is not very much......

Dr. Rick, MD :

Are you still there?

Dr. Rick, MD :

I guess you have stepped away from your computer.

Dr. Rick, MD :

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Dr. Rick MD FACS

Customer:

You are saying just give 12units x81.8 = 981 units per hour? That is not one of my choices...984 or 9.84 or.984 or 98.4. Can you see my dilemma?