Which one of the following is a cause of a soft second heart sound?
A.A Aortic stenosis***
B.A Aortic regurgitation
C.A Mitral stenosis
D.A Mitral regurgitation
E.A Pulmonary hypertension.
A.A Aortic stenosis***
B.A Aortic regurgitation
C.A Mitral stenosis
D.A Mitral regurgitation
E.A Pulmonary hypertension.
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cardiology