31. Mitral mountain ( ) lies southwest of Llullaillaco and is of Miocene age.32. So far, the valves most often affected are the aortic and mitral valves. 33. Mitral Valve Problems Are Not So Serious After All34. Mitral stenosis is a narrowing of the valve.35. Nina Starr Braunwald performed the first mitral valve replacement in 1960 at the hospital. 36. The form of mitre used in the imperial mitral crown preserved this earlier form. 37. In general, blood damage affects valves in both the mitral and aortic positions. 38. Valvular thrombosis is most common in mitral prosthetics. 39. Mitral valve stenosis is one of the most common congenital heart defects in cats.40. Starr " helped invent the world's first durable artificial mitral valve ".
