ALSO NOTED: Canadian group releases major safety guideline update; Tainted heparin was deliberately altered; and much more...

> The Canadian Patient Safety Institute has issued new guidelines which observers have called a major step forward in quality of care. Article

> The main ingredient in the recently recalled heparin batch wasn't tainted by accident--it was actually altered on purpose, though officials don't know if it was intended to cause harm or deaths. Article

> A cancer patient had the wrong kidney removed at a Minnesota hospital this week. Article

> HealthSouth has gotten a credit upgrade from ratings firm Moody's, but there's still a lot of questions hanging over its future. FierceHealthFinance

And Finally...  Why go to all of that trouble just to get a free taco?  Article