A normal heartbeat has two sounds. A heart murmur is the extra rasping, humming or whooshing sound that can be heard in-between. It must be investigated to be sure it’s “innocent”, meaning harmless.
As opposed to an innocent heart murmur, an abnormal heart murmur may point to a serious underlying heart problem such as damaged heart valves or congenital heart defects like a hole in the heart.
“Prognosis for abnormal heart murmurs varies according to the underlying heart problem and its severity. It is excellent in patients with otherwise structurally normal hearts and poor in patients with severe underlying valvular or congenital heart defects,” says Dr Peter Ting, Consultant, Department of Cardiology at the National Heart Centre Singapore (NHCS), a member of the SingHealth group.
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What causes a heart murmur?
The extra or unusual sound characteristic of a heart murmur is due to the faster blood flow through the heart valves and/orRead More »from Heart murmurs: What symptoms to watch out for