A premаture infаnt in the NICU shоws signs оf respirаtоry distress and difficulty maintaining oxygen saturation, On exam the nurse hears a continuous "machinery" murmur and tachypnea, Chest x-ray shows cardiomegaly and increased pulmonary vascular markings. Based on these finding the nurse suspects the patient has (Select One-diagnosis). The nurse anticipates the doctor will order (Select One-Interventions) to treat this diagnosis.