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![What Is a Heart Murmur? - NHLBI, NIH](https://www.iarticlesnet.com/pub/img/site/s_08.jpeg)
What Is a Heart Murmur? - NHLBI, NIH
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日期:2024-07-12
A heart murmur is an extra or unusual sound heard during a heartbeat. Murmurs range from very faint to very loud. Sometimes they sound like a whooshing or swishing noise. Normal heartbeats make a "lub-DUPP" or "lub-DUB" sound. This is the sound of the hea...看更多