Grade 3 Persistent Pulmonary Hypertension of the Newborn, AE

**Semantic type:** Finding

**Definition:** An adverse event in a newborn characterized by Increased estimated right ventricular pressures; with severe clinical symptoms; oxygenation index greater than 25; major care changes required (e.g. inhaled nitric oxide (iNO)).

**Synonyms:** - Grade 3 PPHN, AE - Grade 3 Persistent Pulmonary Hypertension of the Newborn - Grade 3 Persistent Pulmonary Hypertension of the Newborn, Adverse Event