Welcome to the pulmonic regurgitation page. On this page we provide a definition, sample heart sounds and links to the training lessons available on this site.
Pulmonic regurgitation is the backwards flow of blood from the pulmonary artery into the right ventricle during diastole.
The recording below simulates mild pulmonic regurgitation which can be caused by an infection of the pulmonic valve leaflets.
The first and second heart sounds are normal (S2 is split). Systole is silent.
A high pitched decrescendo murmur occupying the first half of diastole can be heard starting immediately after the second heart sound.
The murmur is best heard at the pulmonic area and can be accentuated by having the patient sitting up and leaning forward.
The intensity of the murmur increases with inspiration, indicating the right-sided origin of the murmur.
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