The medical term shock refers to a state in which not enough blood and oxygen reach important organs in the body, such as the brain and kidneys. Shock causes very low blood pressure and may be life threatening.
Born Lillian Marie Bounds in Spalding, Idaho, she grew up in Lapwai, Idaho, on the Nez Perce Indian Reservation where her father worked as a blacksmith and federal marshal. She was working at the Disney Studio in ink and paint as a secretary when she met Walt.
Miller was the only biological daughter of Disney and his wife, Lillian Bounds Disney. Her sister, Sharon Mae, who was adopted by the Disneys at birth in 1936, died in 1993. PHOTOS: Hollywood's Notable Deaths of 2013.