| Acronym | Definition |
|---|
| PPHN➣Persistent Pulmonary Hypertension of the Newborn |
| PPHN➣Preliminary Public Health Notification |
| PPHN➣Preliminary Public Health Notification (US FDA) |
| PPHN➣Perinatal Pulmonary Hypertension of the Neonate (physiology) |
| PPHN➣Progressive Passive Heymann Nephritis (nephrology) |