San Diego, CA -- (SBWIRE) -- 09/11/2012 -- An investigation on behalf of investors of Merge Healthcare Inc. (NASDAQ:MRGE) in connection with a potential sale of Merge Healthcare Inc. was announced and NASDAQ:MRGE stockholders should contact the Shareholders Foundation. Read the full press release at http://www.sbwire.com/press-releases/merge-healthcare-inc-nasdaqmrge-investor-alert-investigation-over-potential-takeover-163879.htm