According to the material, the tricuspid valve is listed at which intercostal space?

According to the material, the tricuspid valve is listed at which intercostal space?

• A. 3rd ICS
• B. 5th ICS
• C. 2nd ICS
• D. 4th ICS

Answer: (B)

The tricuspid valve is heard best along the left lower sternal border, around the 4th to 5th intercostal spaces. The material lists it at the 5th intercostal space, which fits with its anatomical position between the right atrium and right ventricle along the lower left side of the sternum. This is distinct from the higher chest locations used for the aortic and pulmonic valves (typically around the 2nd intercostal space). So listening at the left sternal border in the 5th intercostal space targets the tricuspid area.

The tricuspid valve is heard best along the left lower sternal border, around the 4th to 5th intercostal spaces. The material lists it at the 5th intercostal space, which fits with its anatomical position between the right atrium and right ventricle along the lower left side of the sternum. This is distinct from the higher chest locations used for the aortic and pulmonic valves (typically around the 2nd intercostal space). So listening at the left sternal border in the 5th intercostal space targets the tricuspid area.