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Second Heart Sound: Fixed Splitting, Decreased Aortic Intensity

This example shows a second heart sound (S2) with fixed splitting and an aortic component with decreased intensity. Once again, we are using fixed splitting to help you hear the difference in intensity between the aortic and pulmonic components of S2. This pattern is seen in the presence of long-standing severe pulmonary hypertension where the pressure in the pulmonary artery is markedly increased. Note the increased thickness of the right ventricular free wall.

Auscultation Sounds

auscultation sound from lesson
waveform

Position

Patient position
The patient's position should be sitting.

Listening Tips

S2:Fixed splitting, reduced intensity of aortic component

Waveform (Phonocardiogram)



Observe Cardiac Animation

Authors and Sources

Authors and Reviewers


Sources

Return to Reference Guide Index Page
Second Heart Sound: Fixed Splitting, Decreased Aortic Intensity | #48


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