Added to the list of medical wikis:
Self-description: “Wikiecho is a project to create a free, up-to-date and reliable online resource covering the rapidly advancing field of echocardiography.”
Intended Audience/Users: “This website is intended to be used by medical students, residents, physicians, cardiology fellows, cardiologists and cardiac sonographers.”
Contributors: Anyone who registers.
Editors/Administrators: Not listed.
Editorial Policies: Minimal, available here.