heart http://iowapublicradio.org en Unraveling the mystery of SCAD http://iowapublicradio.org/post/unraveling-mystery-scad <p><strong>A northeast Iowa woman is part of a study that&rsquo;s helping unravel a rare heart condition that strikes young, otherwise healthy people. 42- year- old Tracy Hjelle (YELL-ee) &nbsp;is the picture of health, she&rsquo;s athletic and is in great shape, that&rsquo;s because she&rsquo;s the pitching coach for the Luther College softball team, but her world turned upside down on a Sunday morning in April as she and the team were preparing to leave Decorah for a game in Wisconsin. Fri, 10 Aug 2012 00:12:37 +0000 Pat Blank 6087 at http://iowapublicradio.org Unraveling the mystery of SCAD