Binseng Wang weights in on the CMS vs reality debate. Easy to read and well stated.
Soapbox: CMS, Santa Claus, and the Preventive Maintenance Reality
http://www.24x7mag.com/2014/03/soapbox-cms-santa-claus-preventive-maintenance-reality/
This is the most important line to me:
"While it is perfectly logical that hospitals should evaluate the safety and effectiveness of their AEM programs, it is interesting to note that no regulation requires the manufacturers to do the same or to present any rationale."