IV Piggyback

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Today was my first day at clinical for the semester. My pt was on D5/0.45NS at a rate of 125cc/hr (1 L over 8 hours) q8h. Also, I noticed on the medication list that there are two PRN meds that are piggyback. On the med worklist, it says exactly this:

Dilaudid 1 mg= 0.5ml IV q4h PRN

Zofran 4mg=2ml IV q4h PRN

I don't understand how you would piggyback these with the only the .5 ml for dilaudid and 2ml for zofran. I thought you needed a larger fluid voulme to piggyback...at least 50 cc? If someone could please help me and let me know if there is something I may be missing...that'd be great! THANKS

remember to flush before hand too. and, flush after at the same rate you pushed the medication. small things like that, instructors watch. also wipe the hub with alcohol too. and yea you wouldn't give that much dilaudid.

?? you wouldn't give 1mg/0.5ml of dilaudid?

we regularly give 2mg/1ml ivp dilaudid, were you referring to something else?

as a side note, another thing i've learned with giving this is to pull up the dilaudid into a syringe containing 8ml or so of ns, flush with 5ns before and after. the dilution acts as another safety measure so you don't get this drug in a bolus shot all at once.

i mis-read that. for some reason i thought it said 50ml

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