A neonate born at 38 weeks’ gestation has microcephaly, hepatosplenomegaly, thrombocytopenia, and cataracts. The mother is 35 years old and immigrated to the United States from China five years ago. Auscultation of the neonate is most likely to reveal which of the following?
2/6 Holosystolic murmur at lower left sternal border
2/6 Mid-systolic murmur at upper sternum
3/6 Blowing decrescendo diastolic murmur at upper sternum
3/6 Rumbling diastolic murmur
3/6 To-and-fro murmur