the systolic anterior movement of the mitral valve(passive) caused byleft ventricular outflow tract obstruction ( LVOTO
interventricular muscle contraction , which in turn leads to the Venturi effect that causes systolic anterior motion ( SAM ) of anterior mitral leaflet ( AML(passive) is caused byventricular outflow tract ( LVOT ) obstruction
A five - month - old baby presented with a myxoma arising from the anterior , lateral , and superior aspect of the LVcausingsevere left ventricular outflow tract obstruction