Which type of prosthetic valve is sometimes created from dura mater (membrane that covers brain)?

Which type of prosthetic valve is this?

Which cardiomyopathy is seen below?  

Which of the following is not an advantage of tissue prosthetic valves?

Does apical hypertrophy cause an outflow obstruction?

Ball and cage valve is no longer an option for valve replacement. 

On the first cycle, click where the peak LVOT velocity should be measured. 

Which type of hypertrophic CM does this appear to be?

In which type of prosthetic valve does flow occur as a central jet through a trileaflet valve much like a native valve?

If a patient’s pulmonic valve annulus and trunk are excised and relocated to the aortic position, they now have a(n) ______________ valve.