Ruth Kleinpell,E. Wesley Ely, Ged Williams, Antonios Liolios, Nicholas Ward and Samuel Tisherman have published a tremendous paper looking at critical care education resources on the web; a list of educational websites can be found and viewed here. The original paper can be found with the reference below.

Reference:

Web-based resources for critical care education.

Ruth Kleinpell, PhD, RN, FCCM; E. Wesley Ely, MD, FCCM, Ged Wiliams, RN, FRCNA, FACHSE, FAAN; Antonios Liolios, MD; Nicholas Ward, MD, FCCM; Samuel A. Tisherman, MD, FCCM.

Crit. Care Med. 2011; 39, (3):541-553