Microcavitation due to mechanical valve closure (aortic in this case). Dissolved gas changing state due to changes in partial pressure that causes micro bubbles to form! - Reza Karimianpour, D.O. @officialdrk12 #Microcavitation #MechanicalValve #Closure #Bubbles #Ventricular #Echocardiogram #POCUS #Clinical #A2C