What is your approach to medical management and echocardiographic surveillance for pregnant patients with severe aortic stenosis during the first, second, and third trimesters?  

There is no need for routine echocardiographic surveillance during pregnancy if the patient is asymptomatic and there is no change in the level of BNP. The echo can be helpful for the assessment of pulmonary pressure in patient who develops symptoms .Change in the BNPlevel and echocardiographic PA p...