Pharmacology

So I found out I am so rusted, I need help with the following drip calc. guys please help a girl out.
1. Order reads infuse Epinephrine @ 30ml/hr. The solution available is 2mg of Epi in 250ml D5W Calculate the following
a. Mg/hr b. mcg/hr c. mcg/min
2. A Nitro Drip is infusing at 3ml/hr. The solution avail is 50mg/250ml Calculate mcg/hr and mcg/min. I know this its 5mcg per hr but the problem is how do you get there. its something I need to review for myself. Somebody pls help. 
About ashonman
Joined: Nov '01; Posts: 111; Likes: 41
from GB
Specialty: 8 year(s) of experience in ER 
Jun 7, '11Specialty: 6 year(s) of experience in ER/ICU/STICU/ 6yrs USMC ; From: US ; Joined: Apr '05; Posts: 1,492; Likes: 1,591This smells like homework to me. You should recheck your answer for #2 it's a lot more than 5mcg/hr

Jun 15, '11Joined: May '11; Posts: 13; Likes: 10You have 2mg in 250cc, therefore how many mcgs are in a mg? How many min in a hr? How many cc's in hr? How many in the solution.... It is basic math. It is not calculus.
You are making it too hard.
Your answer to #2 is wrong. Try again. Ask a student to help. You are going to slap your forehead when you get the answer. 
Jun 16, '11Specialty: ms, neuro, critical care, rehab ; Joined: Apr '11; Posts: 39; Likes: 51Is this a nursing homework or nursing boards question??? Isn't school out? If you are currently working in a unit they have titration sheets to use. No time for math class when a patient is crashing!!

Jul 25, '11Joined: Jul '11; Posts: 4; Likes: 1Aah! Drug calcs!! Know the math before you kill your patientsyeah right! With all the smart infusion pumps, who needs drug calcs?
1. a. If 250ml of D5W contains 2mg, it follows therefore that 30ml/hr will have 0.24mg/hr i.e (2mg x 30ml/hr) /250ml.
b. Now we know that 0.24mg/hr = 240mcg/hr i.e If 1mg = 1000mcg therefore 0.24mg/hr = 240mcg/hr
c. We know from b above that epi is running at 240mcg/hr = 4mcg/min
2. Use same logic as above and you will arrive at 0.6mg/hr and 10mcg/min.
Goodluck! 
Oct 10, '11Occupation: RN Specialty: Cardiac, Derm, OB ; Joined: Apr '05; Posts: 365; Likes: 88Quote from ashonmanavail: 2mg/ml & order: 30ml/hrso i found out i am so rusted, i need help with the following drip calc. guys please help a girl out.
1. order reads infuse epinephrine @ 30ml/hr. the solution available is 2mg of epi in 250ml d5w calculate the following
a. mg/hr b. mcg/hr c. mcg/min
2. a nitro drip is infusing at 3ml/hr. the solution avail is 50mg/250ml calculate mcg/hr and mcg/min. i know this its 5mcg per hr but the problem is how do you get there. its something i need to review for myself. somebody pls help.
a. mg/hr=2mg/250ml x 30ml/hr=60/250 = 0.24mg/hr
b. mcg/hr=1000mcg/1mg x 2mg/250ml x 30ml/1hr = 60000/250 = 240mcg/hr
c. mcg/min=1000mcg/1mg x 2mg/250ml x 30ml/1hr x 1hr/60min = 60000/15000 = 4mcg/min
*****dimensional analysis, learn it and you can work out most any dosage!
apply to next q:
a. mcg/hr = 600mcg/hr
b. mcg/min = 10mcg/minLast edit by CRIMSON on Oct 10, '11 : Reason: easier to read? 
Oct 11, '11Joined: May '11; Posts: 13; Likes: 10Nurses still need to know basic math. Get a calculator, asap.