Neonatal Tachyarrhythmia, AE

**Semantic type:** Finding

**Definition:** An adverse event in a newborn characterized by non-sinus rhythm with an abnormally high heart rate for age.

**Synonyms:** - Neonatal Tachyarrhythmia - Neonatal Tachyarrhythmia, Adverse Event - Neonatal tachyarrhythmia