Valsalva manouver

 

A conscious attempt to block the nostrils and the mouth while attempting forced expiration. It is used in certain physiological experiments and to test the following

       

       

1 isovolumetric contraction 2 ejection 3 isovolumetric relaxation 4 rapid inflow 5 diastasis 6 atrial systole  

 

 

 

 

 

 

 

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