Sloane Atkinson is awaiting a donor heart. Doctors dismissed a newborn’s “grunting” as normal sounds — but six weeks later, the baby was intubated in the PICU, and is now awaiting a heart transplant.

Stephanie Mulhall-Atkinson says her daughter, Sloane, has been living in the hospital for more than 200 days as she awaits a heart transplant Doctors dismissed a newborn’s “grunting” as normal sounds ...