This link is for instruction on at home administration of IVP meds, it is very symptomatic and may be a little too generic, but might get you going in the right direction...It even gives you a little trouble shooting chart.
http://xpedio02.childrenshc.org/stel...ure/018700.pdf
this is the website I use for calculations..its a great resource for all kinds of clinical calculators..
http://www.globalrph.com/calculators.htm