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 played Detective Harrison in the 2009 Jody Hill comedy "Observe and Report" as Seth Rogen's nemesis from the local police. In 2011, he starred in "The Son of No One", opposite Channing Tatum, and for the first time in his career, Al Pacino. In 2004, Liotta made his Broadway debut opposite Frank Langella in the Stephen Belber play, "Match". In the 2010s, Liotta appeared in "Date Night", with Steve Carell, "Charlie St. Cloud" with Zac Efron, the independent drama "Snowmen", and "The River Sorrow", which stars Liotta as a detective alongside Christian Slater and Ving Rhames. He starred alongside Brad