Aortic Regurgitation (Decrescendo Diastolic Murmur) Auscultation Reference

heart lung sounds waveform patient normal speed
heart lung sounds waveform patient half speed
heart lung sounds waveform synthetic

Lesson

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

This is an example of a decrescendo murmur starting early in diastole.

The first and second heart sounds are normal.

The decrescendo murmur is high pitched. The anatomy tab shows a enlarged left ventricle with normal contractility. You can see regurgitant flow from the aorta into the left ventricle which causes the murmur.

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.
Diastole: High pitched, musical decrescendo murmur, early diastole.

Auscultation Method

maneuver
The recommended patient position is sitting leaning forward
torso
For this sound, use stethoscope's diaphragm The recommended auscultation position for the stethoscope is erbs-point



Relevant Courses

If you wish to review a complete mobile concerning Aortic Regurgitation (Decrescendo Diastolic Murmur) 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.

Aortic Regurgitation (Decrescendo Diastolic Murmur) Auscultation Reference







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