Grade 4 Neonatal Bradyarrhythmia, AE

**Semantic type:** Finding

**Definition:** A bradyarrhythmia adverse event in a newborn characterized by life-threatening consequences (e.g. shock); requiring urgent major care changes.

**Synonyms:** - Grade 4 Neonatal Bradyarrhythmia - Grade 4 Neonatal Bradyarrhythmia, Adverse Event