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
Jeanne Liotta Jeanne Liotta Jeanne Liotta (born 1960) is an American visual artist who is primarily known for her experimental films. She is also currently a professor of film studies at the University of Colorado Boulder and the Milton Avery Graduate School of the Arts at Bard College. She lives between New York City and Colorado. Jeanne Liotta was born in 1960 in Brooklyn, New York. As an undergraduate, she studied theatre at New York University. During her time at NYU Liotta was involved with several collaborative artist groups, including Gargoyle Mechanique, The Living Theatre, and the Alchemical Theatre Company. From 1985