what is splitin first heart sound in complete


What is Splitin first heart sound ?

In complete RBBB, due to delay of tricuspid closure, the split is wide. In complete LBBB, due to delay of mitral closure the S I is single. Also the intensity of MI is less as onset of LV contraction is delayed, thus mimicking the effect of prolonged PR interval.

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Biology: what is splitin first heart sound in complete
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