Second Heart Sound - Fixed Splitting Auscultation Reference

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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 example shows fixed splitting of the second heart sound. The separation of the two components of the second heart sound remains unchanged through inspiration and expiration at sixty milliseconds in this example.

Fixed splitting of the second heart sound (along with murmurs) indicates the presence of an atrial septal defect, a congenital heart defect in which the intra-atrial septum is incomplete resulting in a hole between the left and right atria.

The murmurs have been eliminated in this lesson so that you can concentrate on the fixed splitting of the second heart sound.

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.
S2: Fixed Splitting.

Auscultation Method

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



Relevant Courses

If you wish to review a complete mobile concerning Second Heart Sound - Fixed Splitting 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.

Second Heart Sound - Fixed Splitting Auscultation Reference







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