Mae Jo Mastin is a registered nurse with over 45 years of experience in pediatric nursing, including more than a decade dedicated to telephone triage. For the past 5 years, she has served as a triage nurse in the pediatric cardiology clinic at UK HealthCare in Lexington, Kentucky, where she plays a critical role in patient access, symptom assessment, and care coordination for children with complex cardiac conditions. Throughout her career, Mae Jo has provided expert nursing care in a variety of pediatric settings, including primary care and specialty clinics.