Care of chronically ill adult and pediatric patients by location. Care of chronically ill adult and pediatric patients by location. Top: Most chronically ill adult patients are managed across a continuum of an acute care setting (ICU or special care unit [SCU]), long-term acute care (LTAC), or skilled nursing facilities (SNF), and their homes. Bottom: Chronically ill pediatric patients are more likely to be managed in either an acute care setting or their homes. Stacey L Peterson-Carmichael, and Ira M Cheifetz Respir Care 2012;57:993-1003 (c) 2012 by Daedalus Enterprises, Inc.