Essentials of Critical Care Orientation AACN. ECCO is a new approach to remote training, featuring up-to-date, interactive and evidence-based education that easily blends into your existing orientation plans. Hospital and Institutional.

AACN’s ECCO course helps achieve orientation objectives through the following: Evidence-based online learning: Featuring peer-reviewed, case-based, real-world- context learning across body systems, ECCO offers.