GREY'S ANATOMY - &quot;Beat Your Heart Out&quot; - Cristina and Bailey hug Dr. Virginia Dixon to calm her down, on &quot;Grey's Anatomy,&quot; THURSDAY, FEBRUARY 5 (9:00-10:02 p.m., ET) on the ABC Television Network. (ABC/RANDY HOLEMES) SANDRA OH, MARY MCDONNELL, CHANDRA WILSON