This document provides treatment guidelines for several neonatal conditions including sepsis, persistent pulmonary hypertension of the newborn (PPHN), meconium aspiration syndrome, and cardiac dysfunction. For sepsis, it recommends starting epinephrine or norepinephrine infusions and adding a second vasopressor if needed. For PPHN, it suggests milrinone, dopamine, or dobutamin infusions. Meconium aspiration syndrome can be treated with milrinone, dopamine, or epinephrine. And cardiac dysfunction may respond to milrinone, dobutamin, or dopamine infusions starting at low doses.