Should I worry about a heart murmur?
Heart murmurs can occur when people are young and then return in older age. There are three main causes in adults: increased volume or speed of blood flowing through a normal heart, a stiff heart valve, or a leaky heart valve. Most do not lead to heart problems, but a change in the murmur’s intensity or the appearance of symptoms like shortness of breath, light-headedness, or chest pain would prompt a further medical evaluation.
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