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Showing posts with label Heart sound. Show all posts
Showing posts with label Heart sound. Show all posts

How do you differentiate between the fourth heart sound, a split first heart sound and an ejection click ?

How do you differentiate between the fourth heart sound, a split first heart sound and an ejection click ?

The fourth heart sound is not heard when pressure is applied on the chest piece of the stethoscope, but
pressure does not eliminate the ejection sound or the splitting of the first heart sound.
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What is the mechanism of production of the fourth heart sound ?

What is the mechanism of production of the fourth heart sound ?

it is caused by vigorous contraction of the atria (atrial systole) and hence is heard towards the end of
diastole.
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