Review Question - QID 214268

A 3-hour old newborn girl is evaluated in the nursery for choking and irritability during her first feeding. She was born at 39 weeks gestation by vaginal delivery to a healthy mother who received full prenatal care. Prenatal history was notable for polyhydramnios on ultrasound. APGAR scores were 8 and 9 at 1 and 5 minutes of life, respectively. Her temperature is 99°F (37.2°C), blood pressure is 60/30 mmHg, pulse is 210/min, respirations are 70/min, and oxygen saturation is 84% on room air. On exam, she is crying and demonstrates significant respiratory distress. The abdomen is distended and tympanic to percussion. The oropharynx has copious secretions. A nasogastric tube is inserted, and a radiograph is taken, shown in Figure A. Which of the following is the most likely diagnosis?