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Ebstein's Anomaly Reference Guide.

Ebstein's Anomaly

This is an example of Ebstein's Anomaly as heard at the tricuspid area. The first heart sound is increased due to thickening of the tricuspid valve leaflets. The second heart sound is normal. A rectangular murmur of tricuspid regurgitation fills all of systole. An opening snap occurs 100 milliseconds into diastole followed by a decrescendo-crescendo murmur of mitral stenosis. These findings are all a manifestation of downward displacement of the tricuspid valve into the right ventricle In the anatomy video you can see the enlarged right atrium and the small right ventricle. The upward plume from the right ventricle to the right atrium represents the systolic murmur. The downward plume from the right atrium to the right ventricle represents the diastolic murmur. This abnormality is congenital in nature.


Auscultation Sound From Lesson

auscultation sound from lesson
waveform


Patient Recording

patient heart or lung sound
Ebstein's Anomaly


Patient Recording - Half Speed Playback

patient heart or lung sound
Ebstein's Anomaly




Position

Patient position
The patient's position should be supine.

Listening Tips

S1: Increased intensity. Possible splitting
Systole: Rectangular
S2: Possible splitting.
Diastole: Opening snap followed by decrescendo-crescendo murmur


Observe

Review the cardiac animation. Notice the enlarged right atrium and the small right ventricle. The upward plume from the right ventricle to the right atrium represents the systolic murmur. The downward plume from the right atrium to the right ventricle represents the diastolic murmur.

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