This is the valve which control flow of blood between the right atrium and right ventricle. It has three cusps and hence its name tricuspid.

This valve has three cusps and they are labeled as follows

  • Anterior
  • Posterior
  • Septal

The cusps are attached to the chordae tendinae, which is further attached to papillary muscles. The papillary  muscles have the same names as their corresponding cusps. They are

  • Anterior papillary muscle
  • Posterior papillary muscle
  • Septal papillary muscle

 The sound of the tricuspid valve is best heard at tricuspid area.

 

 

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Tricuspid valve auscultation

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