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 2-hours-old neonate is found to have bluish discoloration throughout his body, including lips and tongue. The boy was born at 39 weeks gestation via spontaneous vaginal delivery with no prenatal care. Maternal history is positive for type 2 diabetes mellitus for 11 years. On physical examination, his blood pressure is 55/33 mm Hg, his heart rate is 150/min, respiratory rate is 45/min, temperature of 37°C (98.6°F), and oxygen saturation is 84% on room air. Appropriate measures are taken. Auscultation of the chest reveals a single second heart sound without murmurs. Chest X-ray is shown in the exhibit. Which of the following is the most likely diagnosis?
assistant
Transposition of great vessels