Heart murmurs for beginners



Phonocardiographic tracing

       
       

 


Heart sounds

 
Midsystolic murmur


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Midsystolic (click) murmur

This is most often caused by mitral valve prolapse, especially the midsystolic click. It is commoner in Marfan's syndrome and affects more females than male (ratio 7:1). It is not known whether it is derived from developmental abnormality or is just an extracellular matrix disease. It occurs mainly between ages 20-40 years.


 

 

 

 

 

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