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Start studying Heart sounds, by location. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
5. Select ALL the statements that are TRUE: A. S1 represents the opening of the mitral and tricuspid valves B. It is best to listen with the bell of the stethoscope for S3 and S4. C. The pulmonic valve is auscultated on the left of the sternum in 2nd intercostal space. D. S2 is louder than S1 at the base of the heart.
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3 sie 2023 · This is called the second heart sound (S2) and it is best auscultated at the Erb’s point. This landmark is located on the left third intercostal space, parasternally, between the pulmonic and tricuspid areas.
17 lip 2023 · The S2 heart sound is produced with the closing of the aortic and pulmonic valves in diastole. [8] [10] The aortic valve closes sooner than the pulmonic valve, and it is the louder component of S2; this occurs because the pressures in the aorta are higher than the pulmonary artery.
The most fundamental heart sounds are the first and second sounds, usually abbreviated as S 1 and S 2. S 1 is caused by closure of the mitral and tricuspid valves at the beginning of isovolumetric ventricular contraction .
S1 and the 2nd heart sound (S2, a diastolic heart sound) are normal components of the cardiac cycle, the familiar “lub-dub” sounds. S1 occurs just after the beginning of systole and is predominantly due to mitral closure but may also include tricuspid closure components.
