When a ventricqlar septa1 defect vsd is present with no, Ask an Expert

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When a ventricQlar septa1 defect (VSD) is present, with no aortic stenosis, the peak velocitgr across the defect reflects the difference in pressure between the right ventricle and left ventricle. The higher the VSD velociq, the lower the RV pressure. RV pressure = arm BP-VSD gradient

Example:

Arm BP = 120 WAD velocity = 3 dsec
ΔP = 4 (3)²
= 36 mmHg
RV pressure 120 mrnHg-36 mmHg
* 84 mmHg
In the absence df pulmonic stenosis, right ventricular systolic pressure should be equivblent to pulmonary artery systolic pressure.

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Category:- Biology
Reference No.:- M9623557

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