Neonatal adaptation, prematurity and early illness
Follow the transition at birth
The newborn changes from placental gas exchange to breathing through the lungs while circulatory pathways adapt. Initial assessment considers gestation, tone and breathing, with appropriate thermal support and stimulation. Effective ventilation is central when breathing is inadequate. Before adding chest compressions, confirm that the preceding ventilation has actually delivered chest movement and an effective response assessment. The newborn compression-to-ventilation framework differs from that used for an older child. Preductal oxygen monitoring uses the right hand or wrist; a number from another site may reflect a different circulatory contribution.
Distinguish respiratory mechanisms
Surfactant deficiency in a premature infant can produce low-volume lungs with reticulogranular opacity and air bronchograms. Early noninvasive support and selective surfactant treatment are assessed through the actual respiratory condition rather than a rule that every premature infant needs intubation. Transient tachypnea reflects delayed fluid clearance and often follows a different course from surfactant-deficient disease. A congenital diaphragmatic defect, duct-dependent heart disease, infection or an anatomical airway problem can also cause early distress. A diagnostic label must not become permission to overlook deterioration or presume every cyanotic infant has a pulmonary cause.
Jaundice and feeding need context
Bilirubin management uses postnatal age, gestation, risk factors, the actual concentration and the appropriate treatment framework. A single fixed number does not define treatment for all newborns. Early jaundice, hemolysis and signs of neurological dysfunction change the urgency. Phototherapy, escalation of care, selected immunoglobulin use and exchange transfusion have distinct roles; immunoglobulin is not simply an obligatory step for every jaundiced infant. Conjugated hyperbilirubinemia with pale stools is a different problem from uncomplicated unconjugated jaundice and requires timely assessment for obstruction and other causes.
Recognize premature and surgical complications
Apnea of prematurity is considered after relevant alternative causes are assessed. Prematurity also increases risk for chronic lung disease, germinal-matrix hemorrhage, intestinal injury and developmental complications. Pneumatosis is associated with necrotizing enterocolitis, while pneumoperitoneum in a deteriorating infant changes the surgical concern. A feeding tube curling in an upper pouch, bilious vomiting or failure to pass meconium requires an anatomical differential. Screening identifies a need for confirmation and follow-up; it does not replace a diagnosis. Newborn vaccine and screening schedules vary by jurisdiction and should not be imported from a foreign system as though they were Swiss rules.