Systolic Murmur (S1-S2)
 
 
 
 
 
Diastolic Murmur (S2-S1)
 
Tricuspid valve stenosis
 
 
 
Tricuspid valve fails to open properly; increased right atrial pressure; less blood in right ventricle
 
Tricuspid valve insufficiency
 
Tricuspid valve fails to close properly; backflow of blood into the right atrium; less blood in the right ventricle  
 
Pulmonary semilunar valve stenosis
   
 
Pulmonary semilunar valve insufficiency
   
 
Bicuspid valve stenosis
 
   
 
Bicuspid valve insufficiency
 
   
 
Aortic valve stenosis
 
   
 
Aortic valve insufficiency
 
   

 
 
 
www.youtube.com/watch?v=CWFyxn0qDEU