While auscultating heart sounds on a 7-year-old child for a routine physical examination, the nurse hears an S3, a soft murmur at the left midsternal border, and a venous hum when the child is standing
What would be a correct interpretation of these findings?
a.
S3 is indicative of heart disease in children.
b.
These findings can all be normal in a child.
c.
These findings are indicative of congenital problems.
d.
The venous hum most likely indicates an aneurysm.
ANS: B
A physiologic S3 is common in children. A venous hum, caused by turbulence of blood flow in the jugular venous system, is common in healthy children and has no pathologic significance. Heart murmurs that are innocent (or functional) in origin are very common through childhood.
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