Grade 3 Neonatal Pneumothorax, AE

**Semantic type:** Finding

**Definition:** An adverse event in a newborn characterized by radiological evidence of pneumothorax; with clinical signs; major care change required (e.g. chest drainage).

**Synonyms:** - Grade 3 Neonatal Pneumothorax - Grade 3 Neonatal Pneumothorax, Adverse Event