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What are the implications of a third heart sound in patients with valvular heart disease ?

What are the implications of a third heart sound in patients with valvular heart disease ?

• in patients with mitral regurgitation, they are common but do not necessarily reflect ventricular systolic dysfunction or increased filling pressure (N Engl J Med 1992: 327: 458-62).

• In patients with aortic stenosis, third heart sounds are uncommon but usually indicate the presence
of systolic dysfunction and raised filling pressure.

What are the causes of a third heart sound ?

What are the causes of a third heart sound ?

Physiological: in normal children and young adults.


Pathological:
• Heart failure.
• kelt ventricular dilatation without failure: mitral regurgitation, ventricular septal
defect, patent ductus arteriosus.
• Right ventricular S3 in right ventricular failure, tricuspid regurgitation.

Postimet e fundit






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