It is believed the S3 occurs during deceleration of rapid ventricular filling. When the blood flow through the mitral valve decelerates in the left ventricle, it causes vibrations of the ventricular wall.
It is believed the S3 occurs during deceleration of rapid ventricular filling.When the blood flow through the mitral valve decelerates in the left ventricle, it causes vibrations of the ventricular wall.