Clinical meaning
Pediatric growth and development follows predictable patterns governed by genetic programming, nutritional status, hormonal regulation, and environmental influences. Growth hormone (GH), secreted by the anterior pituitary gland, stimulates linear growth through insulin-like growth factor 1 (IGF-1) mediated chondrocyte proliferation at the epiphyseal growth plates. Developmental milestones across gross motor, fine motor, language, and social-emotional domains provide standardized benchmarks for identifying developmental delays. Erik Erikson's psychosocial stages and Jean Piaget's cognitive development theory provide frameworks for understanding age-appropriate behaviors and guiding anticipatory guidance for families.
Exam relevance
Risk factors: - Prematurity and low birth weight - Congenital anomalies - Failure to thrive or nutritional deficiency - Lack of immunization - Unsafe home environment - Parental substance use or neglect - Chronic illness (asthma, diabetes) - Lead exposure
Diagnostics: - Monitor growth parameters (weight, length/height, head circumference) on standardized growth charts - Assess developmental milestones using age-appropriate screening tools - Monitor vital signs using pediatric-specific normal ranges - Observe for signs of dehydration (decreased tears, sunken fontanelle, dry mucous membranes) - Monitor intake and output with accurate measurement - Monitor capillary refill time