Second heart sounds

What does "Second heart sounds" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.

Explanation

"Second heart sounds" refers to the noises that a doctor hears when listening to your heart with a stethoscope. These sounds occur when the heart's valves close, causing a sort of "lub-dub" noise. The "lub" is the first heart sound, and the "dub" is the second. These sounds can help doctors determine if the heart is functioning properly.

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