Upon examination of the new infant, the pediatrician detects a heart murmur. Which of the following is the most accurate and appropriate statement? a. Heart murmurs are common to many infants and...

Upon examination of the new infant, the pediatrician detects a heart murmur. Which of the following is the most accurate and appropriate statement?

a. Heart murmurs are common to many infants and usually resolve within one month after birth.

b. Heart murmurs are benign and not a cause for concern.

c. A heart murmur in a child with Down syndrome may be a sign of a heart defect. However, further testing is necessary before a heart defect can be diagnosed.

d. A heart murmur in a child with Down syndrome is diagnostic for a heart defect and surgery should be performed as soon as possible to prevent the onset of heart failure and pneumonia.