system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 5-day-old, 2200 g (4 lb 14 oz) male newborn is brought to the physician because of poor feeding and irritability. He was born at 36 weeks' gestation after the pregnancy was complicated by premature rupture of membranes. His APGAR scores at delivery were 5 and 8 at 1 and 5 minutes, respectively. He appears lethargic. His temperature is 38.5°C (101.3°F), pulse is 170/min, and respirations are 63/min. Examination shows scleral icterus. Subcostal retractions and nasal flaring are present. Capillary refill time is 4 seconds. Laboratory studies are ordered and an x-ray of the chest is scheduled. Which of the following is the most appropriate next step in management?
assistant
Ampicillin and gentamicin therapy