When a doctor listens to the heart of a person with a heart murmur, they may hear a whooshing, swishing, humming, or rasping sound. This is due to rapid, turbulent blood flow through the heart.
A heart murmur is a whooshing or rasping sound between heartbeats. It’s often harmless, but it can signal a heart problem. Innocent murmurs are caused by normal blood flow and may occur with pregnancy ...