Hi all! Just wondering if anyone knows about valve leakage with Mechanical Aortic Valves. I just had a biannual Echo on my last Cardiology Checkup... I'm several years post-op AVR, and my last Echo showed mild to moderate valve leakage with flaps closed. I have a small valve 19mm.could this leakage be part of the normal valve flow Dynamics with a size 19mm valve.? Should I be worried? Cardiologist days that we will "keep an eye on it". Yearly echoes from now on. I don't have any symptoms.