Academic Life in EM: A great blog for residents and attendings alike.
EM Basic: Steve Carroll's boot camp guide to Emergency Medicine.
EMCrit Blog: The master of all things ED Critical Care.
EMedHome: Great website with a monthly podcast and tons of resources.
The Emergency Board Review Podcast: Free review material to help you study for the EM Inservice, Qualifying, and ConCert exams.
EM:RAP: The original, the king of all EM podcasts.
ERCast: Rob Orman gives the nitty gritty on bread and butter emergency medicine.
FOAMCast: Lauren Westafer and Jeremy Faust give you the basics as they review the best FOAM.
R.E.B.E.L. EM: Salim Rezaie's great EM blog and podcast
Short Coats in EM: An EM resident's take on EM
The NNT: A great look into EBM
The Ultrasound Podcast: EMRAP for EM Ultrasound junkies