You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A newborn was diagnosed as having a congenital abnormality that resulted in transposition of great vessels. While preparing the infant for surgery, the medical team needed to keep the ductus arteriosus open. They did this by infusing : and explain in detail?
None