Auscultation Training by Repetition

Tetralogy of Fallot

play
pause

Listen for 2-3 minutes

Supine

Diaphragm

Listening Tips

Systole: Aortic ejection click then a short diamond shaped murmur.
S2: May be partially masked by systolic murmur.

Repetition Training - More Heart Sounds

Table of Contents

1	Patent Ductus Arteriosus	109
2	Mitral Regurgitation and Aortic Regurgitation	105
3	Mitral Stenosis Severe and Regurgitation Mild - Rheumatic Origin	103
4	Aortic Stenosis Moderate and Regurgitation Mild - Rheumatic Origin	104
5	Tetralogy of Fallot	112
6	Mitral Valve Prolapse with Mid Systolic Click - Standing	131

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Lesson Text

This is an example of Tetralogy of Fallot heard at the tricuspid position.

Tetralogy of Fallot is a congenital condition often called Blue Baby Syndrome. It is characterized by four abnormalities:

- pulmonic stenosis

- increased thickening of the right ventricle

- a ventricular septal defect

- overriding aorta

The first and second heart sounds are normal and unsplit. There is an aortic ejection click in systole. There is a diamond shaped murmur following the click and ending well before the second heart sound.

In the anatomy tab you can see tubulent flow from the right ventricle into the pulmonary artery across the stenotic pulmonic valve and turbulent flow from the left ventricle to the right ventricle (the ventricular septal defect). The right ventricular wall is thickened.

If you listen at the tricuspid position you are hearing the ventricular septal defect. If you listen at the pulmonic area you are hearing the pulmonic stenosis. Both create diamond shaped systolic murmurs.

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soundID	90
maneuver	Supine
Title	Tetralogy of Fallot
Position	Tricuspid
realSoundID
caseID	112
S1
Systole	Aortic ejection click then a short diamond shaped murmur
S2	May be partially masked by systolic murmur
Diastole
features
lungsounds	False
chestpiece	Diaphragm