What are lub and dub
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The “ lub” is the first heart sound, commonly termed S1, and is caused by turbulence caused by the closure of mitral and tricuspid valves at the start of systole. The second sound,” dub” or S2, is caused by the closure of aortic and pulmonic valves, marking the end of systole.
Hope this will help u
Hope this will help u
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lub is the sound created When the mistral and tricuspid valve is closed That is during the systolic movement
and during the distolic movement due to closing of aortic and pulmonary valve is dub
and during the distolic movement due to closing of aortic and pulmonary valve is dub
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