Here's my thought process on this:
Let's say my TA were to say, "You're giving 12.5 mg phenergan to the mannequin".
The first thing I'd do is look at the vial and see the concentration of phenergan in that vial. So let's say it's 25 mg/mL.
Obviously, the calculation will tell me I'll need to withdraw 0.5 mL of phenergan into a syringe.
I think that's the easy part. But I'm not sure how to find out at what rate to give the phenergan at when I stick the syringe into the port.
What I tried to do is I went to the drug book (I have "Davis's Drug Guide for Nurses") and looked in the Route/Dosage section for promethazine, and there's various types (Antihistamine, Sedation, Antiemetic). I'm not sure which one to pick?
Also, my other big question is how long to keep pushing that 0.5 mL of phenergan for.
For instance, I'll pick what it says for the IV section for Antihistamine: "25 mg; may repeat in 2 hr"
I don't know how long to inject it for!