CHELMSFORD, Mass.--(BUSINESS WIRE)--ZOLL Medical Corporation (NasdaqGS: ZOLL), a manufacturer of resuscitation devices and related software solutions, today announced that it will participate in a conference call hosted by Jefferies & Company on Friday, August 12, 2011 at 11:00 a.m. (EDT) to discuss an update on recent business issues. The call will be hosted by Jefferies Medical Devices Analyst, Raj Denhoy. ZOLL CEO, Richard A. Packer, will offer additional comments. Jefferies has arranged for a physician of their choosing to join the discussion.