Mitral Stenosis Severe and Regurgitation Mild - Rheumatic Origin Auscultation Reference

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heart lung sounds waveform synthetic

Lesson

For heart sounds listen to the synthetic sound while reviewing this lesson.

This is an example of severe mitral stenosis combined with mild mitral regurgitation in a patient with rheumatic heart disease.

The first heart sound is slightly louder than normal.

The second heart sound is unsplit.

There is an opening snap fifty milliseconds after the second heart sound.

There is a low frequency murmur filling all of diastole. The first two-thirds of the murmur is diamond shaped and the last third is a crescendo.

There is a rectangular medium frequency murmur which fills the first half of systole.

In the anatomy tab you can see an enlarged left atrium and thickened mitral valve leaflets which barely moved. The turbulent blood flow represents the systolic and diastolic murmurs.

The waveform(s) seen above are a chart of sound amplitude (loudness) on the vertical axis against time on the horizontal axis.


Listening Tips

A summary of the key aspects of this heart or lung sound.
S1: Slightly louder.
Systole: Rectangular, mid pitch in first half of systole.
Diastole: Opening snap then low pitch diamond crescendo murmur.

Auscultation Method

maneuver
The recommended patient position is supine left side down
torso
For this sound, use stethoscope's diaphragm The recommended auscultation position for the stethoscope is mitral



Relevant Courses

If you wish to review a complete mobile concerning Mitral Stenosis Severe and Regurgitation Mild - Rheumatic Origin Auscultation Reference and related heart sounds, the modules(s) listed below may be useful. Each lesson includes text that explains the auscultatory sound and its clinical significance. The lesson also includes an audio track for playback. A waveform provides a great way to visualize the sounds. Finally, we also include an animation video. For heart sounds, the video illustrates heart muscle and valve movements along with blood flow. For lung sounds, the primary source of the sounds can be seen. Each module also includes a quiz.

Mitral Stenosis Severe and Regurgitation Mild - Rheumatic Origin Auscultation Reference







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