need hlep with D.A. on flow rates

[tnstudentnurse]

I must not be understanding something.

This is my problem

a volume of 800 ml is to infuse in 8 hours with an electronic fusion pump.

how do you do a problem like this?

[Marie_LPN, RN, LPN, RN]

Convert the time in hours into the time in minutes.

[tnstudentnurse]

so it would be

gtt

---

min

How many drips per minute is an infusion pump?

[Marie_LPN, RN, LPN, RN]

No it should be 800ml to infuse overa time of 480 minutes.

The drops per minute on a pump depends on the what the amount of fluid and for how long.

[tnstudentnurse]

they had us to divide

800 ml. / 8 hr. to get 100 ml/hr for the flow rate

[tnstudentnurse]

the problem states this

calculate the following flow rates

a volume of 800 ml is to infuse in 8 hours with an electronic fusion pump.

how do you set the problem up?

[RNPATL, DNP, RN]

Total Volume X gtt factor

time of infusion

This is the forumla that you can use. The only problem is that I do not see a gtt factor in your problem.

[Marie_LPN, RN, LPN, RN]

they had us to divide

800 ml. / 8 hr. to get 100 ml/hr for the flow rate

That's the only way you can do it if no gtt factor is stated in the problem.

[tnstudentnurse]

no gtt factor is stated in the problem.

[lil' girl, LPN]

Not arguing with any of you but we learned like this:

800 ml divided by 8 = 100

and pumps deliver 60 drops per min.

so it would be drops over time x ml 60gtt/480min. x 100 ml = 800ml

60 goes into 60 one time, and 60 goes into 480 eight times and multiply 100 by 8 to

get 800ml

I think this is what you were looking for???

[LPN01112005]

flow rate = ml/hr

800ml/8hr = 100ml/hr = flow rate for electronic pump

If you are hanging by gravity and you need to convert to gtt/min, then you'll need the gtt factor of your tubing. Just say that it is 60 gtt/ml, then you'd do this if you are using diminsional analysis:

gtt/min= 60gtt/1ml x 100ml/1hr x 1hr/60min =6000/60 = 100gtt/min so your drip rate should be 100 drops per minute.