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Moderate Tricuspid Stenosis Lesson #691

patient thorax when auscultating by stethoscope

patient position during auscultation
The patient was supine during auscultation.

Description

This lesson presents moderate tricuspid stenosis. The first heart sound has increased intensity due to moderate thickening of the tricuspid valve leaflets. The second heart sound is normal and unsplit. Systole is silent.

This murmur includes a tricuspid opening snap which is followed by a diamond-shaped low-frequency murmur. There is a second murmur in late diastole due to the right atrium contraction. For this condition, the murmur intensity and tricuspid opening snap increase with inspiration.

Auscultate with the bell of the stethoscope.

In the cardiac animation, observe the turbulent blood flow from the right atrium into the right ventricle. Also observe the moderately thickened tricuspid valve leaflets and the moderately enlarged right atrium. The excursion of the tricuspid valve leaflets is moderately decreased. Moderate tricuspid stenosis is most commonly due to rheumatic heart disease.

Phonocardiogram

Anatomy

Moderate Tricuspid Stenosis

In the cardiac animation take note of the turbulent blood flow from the right atrium into the right ventricle. Observe the moderately thickened tricuspid valve leaflets and the moderately enlarged right atrium. The excursion of the tricuspid valve leaflets is moderately decreased. For this condition the murmur intensity and tricuspid opening snap increase with inspiration.
Authors and Sources

Authors and Reviewers

Sources


? v:4 | onAr:0 | onPs:2 | tLb:0 | pv:1
uStat: False | db:0 | cc: US | tar: False | pu:False | #upl:0 | em: | disable: False



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