AHA's "Handbook of Emergency Cardiovascular Care for Healthcare Providers" ($10) is excellent (2002). it has algorhythms including amiodarone & BLS & PALS protocols. Pocket sized. One of mine has sprouted legs & wandered away it was so popular. The other, also $10, is "Nurses Rapid Refernce guide" by Paula Eldridge, RN, CCRN. it's published by Laura Gasparis' company, Power Publications, A New York nursing publishing house. 1-800-331-6534. good books @ reasonable prices there. If you ever get the chance to hear Laura speak, GO! I have heard her twice & she makes ya be proud to be a nurse!!! She has lots of alphabet soup behind her name, really smart, a nurse entreprenuer!! Anyhoo, hope this helps, these two are with me & my bandage scissors all the time!
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get yourself one of those nice little books that has quick references to drips & protocols (American heart has one, Laura Garsparis Vonfrolio has one, among others) as its a great investment. Mine is tatered after many years of abuse! Another thing is ask questions, make little notes for yourself, with the answers. Organize yourself & find your own routine. It'll pay off in the end. I find my new grads in my dept have blank sheet of paper on their clip boards with medication times so they will be reminded to check the MAR's. Esp good with someone with weird med time (0100 antibiotic). A pocket full of syringes, 2x2's, tape, lancets, etc will save alot of walking on telemetry, not so bad in CCU. Remember that you can't know everything, I've been at this 14 +years & I learn something new every day!!!! 
