This trial compares two simple educational tools—an animated video and a brochure—against routine care to see which best lowers anxiety and fear in children aged 7 to 10 who need an echocardiogram. All participants have a congenital heart condition and are scheduled for a follow-…
Phase: NA • Sponsor: Merve Koyun • Aim: Symptom relief
Last updated Aug 01, 2026 00:00 UTC