Grade 1 Persistent Pulmonary Hypertension of the Newborn, AE

**Semantic type:** Finding

**Definition:** An adverse event in a newborn characterized by technical evidence of increased right ventricular pressures; no clinical symptoms.

**Synonyms:** - Grade 1 PPHN, AE - Grade 1 Persistent Pulmonary Hypertension of the Newborn - Grade 1 Persistent Pulmonary Hypertension of the Newborn, Adverse Event