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Second Heart Sound with Fixed Splitting Reference Guide.

Second Heart Sound with Fixed Splitting

This example shows fixed splitting of the second heart sound. The second heart sound remains unchanged through inspiration and expiration at sixty milliseconds. 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. In a later lesson you will hear the fixed splitting of S2 along with the murmurs of Atrial Septal Defect.


Auscultation Sound From Lesson

auscultation sound from lesson
waveform


Patient Recording

patient heart or lung sound
Second Heart Sound with Fixed Splitting


Patient Recording - Half Speed Playback

patient heart or lung sound
Second Heart Sound with Fixed Splitting




Position

Patient position
The patient's position should be supine.

Listening Tips

S1:
Systole:
S2: Fixed splitting throughout respiratory cycle
Diastole:


Observe


Second Heart Sound with Fixed Splitting - Reference Pag

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