Few parents anticipate tragedy in these times, but for many children warm weather can lead to vehicle-related hyperthermia, a very real threat with sometimes fatal results. Deona "Dee" Ryan, RN, CLC, LNC, director of family services at HCA’s Summerville Medical Center, knows this first hand. In 2004, her one year-old daughter, Aslyn, died of hyperthermia after a baby-sitter left her in a vehicle unattended. Learn More: 2012-08-27-hca-atlas-front-page.pdf