I found the following clinical algorithm [Resource (1)] referenced in Dr. Fox’s post on Pediatric Pneumonia [Resource (2)]. See
See the Pediatric Infectious Diseases Society and the Infectious Diseases Society of America Pediatric Pneumonia Clinical Practice Guidelines [Resource (3) below] for detailed management of pediatric pneumonias.
(1) AAP Section on Emergency Medicine Committee on Quality Transformation Clinical Algorithm for Emergency Department Evaluation and Management of Pediatric Community Acquired Pneumonia [PDF]
(2) Executive summary: the management of community-acquired pneumonia in infants and children older than 3 months of age: clinical practice guidelines by the Pediatric Infectious Diseases Society and the Infectious Diseases Society of America [PubMed Abstract] [Full Text HTML] [Full Text PDF]. Clin Infect Dis. 2011 Oct;53(7):617-30. doi: 10.1093/cid/cir625.