Artificial heart valve Artificial heart valve An artificial heart valve is a device implanted in the heart of a patient with valvular heart disease. When one of the four heart valves malfunctions, the medical choice may be to replace the natural valve with an artificial valve. This requires open-heart surgery. Valves are integral to the normal physiological functioning of the human heart. Natural heart valves are evolved to forms that perform the functional requirement of inducing unidirectional blood flow through the valve structure from one chamber of the heart to another. Natural heart valves become dysfunctional for a variety of pathological causes. Some
Ray Liotta Pitt and James Gandolfini in the 2012 Andrew Dominik film "Killing Them Softly" and the 2013 Ariel Vromen film "The Iceman" features Liotta as the character of Roy DeMeo. He had a supporting role in "Muppets Most Wanted" (2014). In 2014, Liotta played a preacher in the faith-based film "The Identical". Liotta starred in the Western miniseries "Texas Rising" for The History Channel in 2015. Other projects include "Kill the Messenger" with Jeremy Renner, "Stretch" with Chris Pine and a David Guetta video. Since June 2015, Liotta narrates the AMC docu-series "The Making of the Mob". In 2016, Liotta began