[cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2009/images/08/06/art.cooling.blanket.cnn.jpg caption="Therapeutic hypothermia patients receive a chilled saline solution and are put under a cooling pad or blanket."] By Caleb Hellerman CNN Senior Medical Producer PHILADELPHIA, Pennsylvania (CNN) – Seated on a jetliner, Dr. Mary Gallagher and her husband, Don Dietrich, were about to take off for an anniversary vacation in Puerto Rico. … Continue reading Cooling catches on for cardiac arrest patients