Everyone knows it’s nearly impossible to memorize all the formulas and doses relative to pediatric emergency medicine. That’s why 2 pediatric emergency medicine physicians created http://pocketpem.com/ when they were PEM fellows. Log on for a plethora of PEM info; maybe even bookmark the page on your phone. PEMsource also has several quick references that can be printed out / laminated and attached to your badge, or added to the files on your phone – check out resuscitation formulas and sizing, ECGs, labs, and medications.