http://secure2.acep.org/BookStore/p-10455-rapitube-rsi-pediatric-and-adult-dosing-guide.aspx I use this from ACEP and I love it. All the other info in informed is good but I only put this card in my pocket, as well as their other card for emergency drips.
http://secure2.acep.org/BookStore/p-10456-dose-right-card-adult-vasopressorsinotropes.aspx is the site where you can get a dosing card that would help........I know every pt/situation is different, however this is a good place to start.
Here is ACEP's web-site for a vasopressor/inotrope dosing card http://secure2.acep.org/BookStore/p-10456-dose-right-card-adult-vasopressorsinotropes.aspx