Without direction, the respiratory technician goes to the head of the bed. She takes the tubing, attaches it to the oxygen, and turns it on as high as it will go. She provides a seal with her hand cupped over the plastic mask, over the nose and mouth of the toddler, and methodically provides oxygenated air. Doyle’s tiny chest rises and falls while I listen with my stethoscope. I am reaching for another breathing tube. “Fib!” Dr. Pedras feels for a pulse while another places gelled pads on her chest.