Dear Doctor: My 7-year-old niece has been diagnosed with a heart murmur, and my brother says she won’t be receiving any kind of treatment. What is a heart murmur? Will it interfere with the activities she loves, like soccer and softball?
Dear Reader: When someone has a heart murmur, it means an extra and unusual sound has been detected while their heart beats.
During the normal cycle of a heartbeat,…
